Top Grok 4.8 Alternatives

GPT-6.1 Terra is a multimodal AI model developed by OpenAI for visual reasoning, precise computer interaction, natural language generation, and high-volume professional automation. The model is designed to combine detailed image understanding with the ability to execute multistep tasks across software applications and graphical user interfaces. Its visual reasoning capabilities support analyzing technical drawings, interpreting complex images, identifying interface elements, and extracting structured information from visual materials. Computer-use functionality enables AI agents to complete online forms, enter invoice details into accounting systems, manipulate desktop applications, and assist with video editing workflows. GPT-6.1 Terra supports text and image inputs, text generation, a 1,050,000-token context window, and a maximum output length of 128,000 tokens. Developers can configure reasoning effort using none, low, medium, high, xhigh, and max settings to manage performance, response time, and computational requirements. Its software engineering capabilities include code generation, debugging, terminal-based problem-solving, and automated development tasks involving external tools. The OpenAI Responses API provides access to function calling, structured outputs, web search, file search, code interpretation, hosted shell execution, computer use, and Model Context Protocol integrations. In OpenAI's published evaluations, GPT-6.1 Terra demonstrated improvements over GPT-5.6 Terra in visual reasoning, desktop application automation, coding performance, and factual accuracy. The model includes safeguards for cybersecurity risks, prompt injection resistance, and adherence to user instructions, with safety protections aligned with OpenAI's GPT-6 model family.

Gemini 4 Carbon is an advanced multimodal artificial intelligence model developed by Google DeepMind for cybersecurity research, software engineering, long-horizon autonomous agents, and complex analytical workflows. The model builds on Gemini 4 Argon with improvements in reasoning, coding, scientific tasks, multimodal understanding, and sustained execution of multistep engineering projects. Its cybersecurity capabilities cover the vulnerability management lifecycle, including identifying software weaknesses, verifying exploitability, and generating patches that address underlying security flaws. In Google's published evaluations, Gemini 4 Carbon achieved 88.2% on SEC-bench Pro for vulnerability discovery, 54.8% on ExploitGym for exploit validation, and 71.0% on CWE-bench for vulnerability remediation. Internal evaluations also showed more than twice the secure code generation success rate of Gemini 4 Argon. The model supports long-running agentic workflows that can investigate difficult bugs, analyze large software repositories, and perform iterative problem-solving across extended execution periods. Its software development capabilities include code generation, debugging, low-level systems analysis, full-stack web development, and automated implementation of complex engineering tasks. Gemini 4 Carbon incorporates a multilayered safety architecture with misuse prevention, prompt injection defenses, behavioral monitoring, and controls intended to reduce unauthorized actions. Google reports improvements in factual reliability, task completion, and instruction alignment, including approximately half as many unsupported claims compared with Gemini 4 Argon in internal evaluations.

GPT-6 Astra is OpenAI’s advanced frontier model for computer use, coding, browsing, scientific research, cybersecurity, professional knowledge work, and long-running agentic tasks. It is designed to combine high-level reasoning with the ability to directly operate software and tools rather than only generating text responses. Astra can navigate websites, complete forms, update business systems, organize calendars, conduct research, analyze data, generate plots, test applications, and troubleshoot problems that appear on screen. For professional users, the model can create documents, spreadsheets, presentations, analyses, websites, and other artifacts while following existing templates, formatting requirements, and organizational styles. Its software engineering capabilities include codebase analysis, implementation, debugging, verification, browser testing, system configuration, and other terminal-based development workflows. In Codex, Astra can preserve notes across context windows and search earlier requirements, test results, messages, and tool outputs during lengthy development sessions. The model also combines scientific reasoning with computer use so researchers can work with specialized applications, inspect data, explore results, and assist with computational research processes. OpenAI reports substantial advances in Astra’s cybersecurity capabilities, while the production model applies safeguards to restrict higher-risk activities such as advanced exploit creation. Alignment improvements focus on interpreting user intent, respecting authorization boundaries, avoiding attempts to circumvent system restrictions, and communicating more accurately about what the model can and cannot do. GPT-6 Astra supports enterprise-oriented deployment features including eligible Zero Data Retention API configurations and is available through ChatGPT, the OpenAI API, Amazon Web Services, and Amazon Bedrock.

Gemini 4 Argon is Google's frontier AI model for advanced reasoning and long-horizon workflows across software engineering, enterprise knowledge work, cybersecurity defense, and creative tasks. The model combines coding, multimodal understanding, reasoning, and multi-step execution to address complex professional workloads that may require sustained work across many steps. Google expanded Argon's maximum output from 64,000 tokens to 1 million tokens, allowing it to reason and generate hundreds of thousands of tokens within a single trajectory when required. Google engineers are already using Argon internally for tasks ranging from everyday debugging and algorithm design to large-scale migrations of C and C++ codebases to Rust. On DeepSWE v1.1, which evaluates real-world long-horizon software engineering, Google reports that Gemini 4 Argon achieves a score of 77.9%. The model also scored 51.3% on AutomationBench, a Zapier benchmark measuring end-to-end execution across business functions. Its knowledge-work capabilities include financial research, legal research and drafting, professional chart analysis, document-based workflows, and long-video understanding, with a reported 91.7% score on LVBench. Google has additionally trained Argon for defensive cybersecurity, enabling it to autonomously find, validate, and patch critical software vulnerabilities. Argon tied for first with a reported 68% score on CWE-bench v1 and has been evaluated on vulnerability discovery across complex codebases covering 20 programming languages. Google is using a phased release strategy that begins with trusted cyber defenders through the Fairwind Program while additional safeguards are tested before broader availability. The company plans to expand Gemini 4 Argon to developers, enterprises, and consumers, beginning with paid API customers and Google AI Ultra subscribers.

GPT-6 Luna is OpenAI’s efficiency-focused GPT-6 model for developers and users who need capable reasoning, coding, computer use, and agentic workflows at very low inference cost. It is positioned below GPT-6 Sol and GPT-6 Astra in the model family while bringing many of the GPT-6 generation’s improvements to applications that prioritize scale and affordability. The model supports configurable reasoning effort so developers can allocate additional computation to complex tasks while keeping simpler interactions fast and economical. GPT-6 Luna can power business automation across applications used for sales, marketing, finance, operations, customer support, and human resources. Its coding capabilities support work on real software repositories, including multi-step engineering tasks that require analysis, modification, testing, and iteration. Luna can also operate in computer-use environments, allowing agents to navigate graphical interfaces and complete extended workflows across software applications. OpenAI reports that GPT-6 Luna substantially improves factual reliability compared with GPT-5.6 Luna and can approach the capabilities of more expensive models on some tasks when used at higher reasoning levels. The model also benefits from GPT-6’s improved collaboration style, with clearer technical communication, less unnecessary jargon, and fewer low-value details. Enhanced prompt caching allows applications to reuse previously processed context at a discount while preserving cache reuse when reasoning effort or available tools change. These efficiency improvements make Luna suitable for high-volume agents, coding assistants, automated workflows, customer-facing applications, and other systems where per-request cost is important. GPT-6 Luna is available through the OpenAI API as gpt-6-luna, as well as through ChatGPT Work, Codex, and supported ChatGPT desktop experiences.

Claude Fable 5.1 is an advanced general-purpose AI model from Anthropic focused on coding, scientific research, knowledge work, business processes, and long-horizon agentic reasoning. It is the generally available counterpart to Claude Mythos 5.1, which uses the same underlying model but is offered with different safeguards for vetted cybersecurity and life sciences users. Compared with Claude Fable 5, Fable 5.1 shows stronger performance across agentic coding, research, computer use, multidisciplinary reasoning, business workflow automation, and other complex benchmarks. The model is designed to remain effective during long-running tasks that involve planning, tool use, repeated verification, code modification, research, and multi-step decision making. In software engineering scenarios, it can investigate difficult bugs, trace problems across large codebases, perform code review, and work through complex implementation tasks with less supervision. Anthropic also positions Fable 5.1 as a stronger research model, with demonstrated capabilities in scientific analysis, computational modeling, and other technically demanding workflows. Improvements to cache-read pricing reduce the cost of reusing previously processed context, making the model more economical for workflows that involve long conversations, large codebases, or repeated tool calls. Fable 5.1 introduces updated enterprise privacy and security options, including Enterprise Frontier Safeguards and zero-data-retention access for eligible customers during the rollout period. Its cybersecurity protections are designed to permit more benign defensive security work, including vulnerability discovery, while continuing to restrict higher-risk activities such as exploit development and certain penetration-testing tasks. The model is available through Claude.ai, Claude Code, Claude Cowork, the Claude API, Amazon Web Services, Google Cloud, and Microsoft Azure under the claude-fable-5-1 model identifier for API users.

Grok 4.6 is a frontier AI model from xAI focused on long-running agents, ambitious interactive work, visual projects, coding, research, and knowledge work. The model builds on Grok 4.5 and is designed to stay engaged across complex tasks that unfold over many steps. Users can apply Grok 4.6 to research unfamiliar domains, analyze information, work across codebases, generate applications, create work artifacts, and refine projects through iterative feedback. Its training included a longer supplemental run with curated model-generated data for reasoning and advanced technical concepts, high-quality engineering data, and an improved optimizer and training recipe. xAI also regenerated supervised fine-tuning trajectories across reasoning efforts, agent harnesses, STEM, software engineering, and knowledge work, then filtered problematic traces with model-based checks. Grok 4.6 was trained on agentic reinforcement learning tasks across knowledge work, general coding, kernel optimization, web development, computer-aided design, and related technical environments. The model is positioned as especially useful for turning broad product ideas into working first versions because it can structure an application, implement core interactions, and improve the result over several rounds. It also produces stronger first passes on visual and interactive projects than Grok 4.5, making it useful when teams need a substantial starting point for iteration. xAI reports that Grok 4.6 performs strongly across benchmarks such as Artificial Analysis Intelligence Index, GDPVal-AA, DeepSWE, CursorBench, FrontierCode, APEX-Agents, Terminal-Bench, APEX-SWE, AA-Briefcase, and Harvey LAB. Grok 4.6 is available in Cursor, Grok Build, the xAI API, OpenRouter, Vercel, Cloudflare, and other partner environments, with a fast variant also available at higher pricing.

Grok 4.7 is a frontier artificial intelligence model from SpaceXAI built for demanding coding, knowledge work, and long-running agent workflows. The model uses a larger base architecture than Grok 4.6 and was trained with an extended reinforcement learning process focused on more difficult and longer-duration tasks. Its training emphasizes problems that may require hours of work, making it suitable for workflows that involve planning, execution, verification, and repeated tool use. Grok 4.7 improves self-checking behavior and long-context management so it can maintain task state more effectively across complex operations. The model also natively understands the Grok Bot harness, which improves conversational performance and general knowledge capabilities. Its use cases include software engineering, terminal tasks, document and presentation creation, legal analysis, electrical engineering, clinical reasoning, and other professional knowledge work. SpaceXAI reports benchmark gains over Grok 4.6 across coding, terminal, engineering, legal, and multi-hour office-task evaluations. Grok 4.7 includes a newly developed safeguard stack designed to strengthen jailbreak resistance and improve handling of risky cybersecurity, biological, and other dual-use requests. The company states that the model is designed to maintain strong utility for legitimate cybersecurity and research tasks while refusing more dangerous requests. Grok 4.7 is available through Grok Build, Cursor, the Grok API, coding harnesses, model routers, and supported cloud platforms, with a faster serving option also available. Pricing starts at $2 per million input tokens and $6 per million output tokens, positioning the model for developers and organizations running high-volume coding and professional AI workloads.

Muse Spark Open is a large-scale open-weight artificial intelligence model developed by Meta for multimodal understanding, software engineering, autonomous agents, and long-horizon reasoning. Released in October 2026, the model provides downloadable weights that allow developers to deploy and customize it outside Meta's hosted AI services. It uses a mixture-of-experts architecture containing 816 billion total parameters, with approximately 42 billion parameters activated during inference. Its one-million-token context window supports processing extensive documents, large software repositories, and lengthy sequences of instructions and interactions. The model is designed for complex coding workflows involving source code analysis, debugging, feature implementation, application development, and software testing. Its multimodal capabilities enable AI agents to interpret visual information and combine that understanding with reasoning and automated computer interactions. Meta demonstrated the model performing local software development tasks and controlling DaVinci Resolve to analyze video footage and prepare edited content. Muse Spark Open supports on-device deployment using two Apple M5 Ultra Mac Studio computers running the MLX framework, with additional compatibility across AMD, Intel, and NVIDIA hardware. Supported inference frameworks include SGLang, vLLM, TensorRT-LLM, Hugging Face Transformers, llama.cpp, and Unsloth, with optimized GPU kernels for improved processing performance. Developers can customize the model using PyTorch and TorchTitan to adapt its behavior to specialized tasks, organizational requirements, and application workflows. Muse Spark Open is distributed under the Muse Model License with limited commercial terms and is available through Hugging Face, Amazon SageMaker AI, Google Cloud Model Garden, Microsoft Foundry Models, and several hosted API providers.

Kimi K3.1 Pro is a multimodal large language model developed by Moonshot AI to support advanced reasoning, autonomous AI agents, software development, 3D creation, and complex knowledge work. The model is based on a mixture-of-experts architecture containing approximately 2.8 trillion total parameters and 104 billion active parameters. Its one-million-token context window enables the processing of extensive documents, source code repositories, technical materials, and long-running task histories. Kimi K3.1 Pro builds on the Kimi K3 foundation with additional reinforcement learning and post-training optimization across programming, analytical reasoning, and agentic tasks. Its software engineering capabilities include code generation, debugging, terminal operations, automated testing, application development, and multistep problem-solving across existing repositories. The model can develop interactive websites, animated interfaces, browser-based 3D environments, and game projects using tools and frameworks such as Three.js, Unity, Unreal Engine, and Godot. Its multimodal reasoning capabilities allow it to interpret images, sketches, and visual references when generating technical designs or structured outputs. Three-dimensional modeling features include CAD script generation, parametric geometry creation, asset modification, and integration with tools such as Blender. Financial reasoning capabilities support complex spreadsheet models, financial statement analysis, investment research, cross-document verification, and evidence-based reporting. Kimi K3.1 Pro also supports tool-assisted workflows in which AI agents plan tasks, execute actions, evaluate results, and refine outputs across multiple steps. The model is available through Kimi's web and mobile applications, Kimi Work, Kimi Code, and the Kimi API, with a Highspeed variant providing faster inference and an open-weight release planned for November 4, 2026.

NVIDIA Nemotron 3.5 Super VL is an open multimodal artificial intelligence model designed to support specialized autonomous agents, enterprise automation, and complex reasoning tasks. Introduced in October 2026, the model combines language processing, visual understanding, software engineering capabilities, and external tool interactions within a unified architecture. It uses a 120-billion-parameter mixture-of-experts design with approximately 12 billion active parameters per token to optimize inference efficiency. The model was distilled from NVIDIA Nemotron 3 Ultra and incorporates additional training focused on coding, multimodal reasoning, and agentic task execution. Its vision-language capabilities support analysis of images, charts, tables, diagrams, multipage documents, and video content. Document intelligence workflows can extract structured information, interpret visual evidence, connect information across pages, and generate summaries or reports. Software engineering features enable the model to analyze repositories, identify programming errors, test code, and recommend modifications across development workflows. Its agentic capabilities support web research, external tool usage, multistep problem-solving, cybersecurity vulnerability analysis, and enterprise process automation. NVIDIA NeMo provides customization tools for supervised fine-tuning, low-rank adaptation, and reinforcement learning using proprietary datasets, organizational policies, and specialized workflows. The model incorporates LiLiCorr speculative decoding, multi-token prediction, context reuse, and NVFP4 quantization to improve inference performance on compatible hardware. Nemotron 3.5 Super VL is distributed with open weights and supports local, cloud, and data center deployment through NVIDIA infrastructure and tools such as NVIDIA NIM.

NVIDIA Nemotron 3.5 Bolt is a family of open artificial intelligence models developed to provide efficient reasoning, autonomous agent capabilities, and conversational intelligence on local computing hardware. Introduced in October 2026, the series includes Nemotron 3.5 Bolt 74B-A9B 24GB and Nemotron 3.5 Bolt E4B 4GB. The 74B-A9B variant uses a mixture-of-experts architecture containing 74 billion total parameters, with approximately 9 billion parameters activated during inference. Its native 2-bit quantization enables deployment within approximately 24GB of memory while preserving resources for other applications. The model is designed for agentic workflows that require reasoning, instruction following, tool interactions, and execution of multiple connected tasks. Developers can use Bolt 74B-A9B with local agent frameworks to conduct web research, generate software, analyze code, investigate programming errors, and perform debugging activities. NVIDIA reports strong results on agent benchmarks including PinchBench and BrowseComp, which evaluate autonomous task completion and information retrieval capabilities. The smaller Bolt E4B variant is designed for low-latency conversational AI, supporting local voice assistants, interactive game characters, and embedded interfaces. Its 4GB memory footprint makes it suitable for compatible GeForce RTX, NVIDIA Jetson, and DGX Spark systems that require efficient local inference. Running these models locally allows organizations to retain greater control over sensitive application data, reduce dependence on cloud inference, and integrate AI capabilities into existing software environments. Nemotron 3.5 Bolt 74B-A9B is available through Hugging Face with support for llama.cpp, Ollama, LM Studio, Unsloth, and vLLM, while Bolt E4B is scheduled for release on October 23, 2026.

MiMo-V2.6-Pro is Xiaomi MiMo’s flagship open-source omnimodal model for software engineering, agentic automation, multimodal reasoning, visual design, research, and creative production. The model was developed through large-scale reinforcement learning on heterogeneous tasks spanning coding, general agents, visual workflows, and cybersecurity. Xiaomi trained MiMo-V2.6-Pro across roughly 750,000 trajectories using large asynchronous batches, long-context training, multi-task environments, and expanded grader compute. The resulting model is designed to plan, execute, verify, and refine complex work across multiple tools and interaction environments. In software development, MiMo-V2.6-Pro supports long-horizon coding, terminal work, automation, debugging, and other agent-driven engineering tasks. Its multimodal capabilities allow it to generate interactive 3D worlds, create Blender assets from text or reference images, and control simulated robotic systems using continuous visual feedback. The model can also build frontend interfaces, design slide decks, work with Figma and media-generation tools, and automate portions of video production from concept through editing and narration. Creative capabilities extend to music composition, including generating arrangements, musical scores, and MIDI output. For research, MiMo-V2.6-Pro has been demonstrated performing literature searches, generating scientific hypotheses, running computational tools, screening materials, and assisting with formal mathematical proofs. Xiaomi has open-sourced the model family together with its technical report, reinforcement learning environments, and training code to support reproducibility and further research. MiMo-V2.6-Pro is available through Xiaomi MiMo’s desktop and developer products, OpenRouter, Hugging Face, and an API, with an UltraSpeed version offered for workflows that require much faster generation.

Muse Wonder is a frontier artificial intelligence model developed by Meta for advanced reasoning, autonomous agent workflows, personal assistance, and professional applications. Released in October 2026, the model belongs to the Muse Wonder family alongside Muse Wonder Full, a larger variant designed for computationally demanding tasks. The model incorporates Active Memory, a capability that preserves important contextual information across conversations and retrieves relevant details to support personalized assistance. Its Active Focus functionality enables sustained execution of complex objectives by exploring alternative solutions, adapting to new information, and working through obstacles. Muse Wonder can request clarification when instructions are incomplete and seek user approval before performing consequential actions. The model supports professional tasks involving legal analysis, financial information, health-related questions, research, and business process automation. Its agentic capabilities allow it to interact with connected applications, navigate browser-based workflows, and use external tools to complete multistep assignments. For software development, Muse Wonder can generate code, build applications, analyze existing projects, modify source files, and perform iterative testing and debugging. Meta trained the Muse Wonder series on diverse long-running tasks to improve performance on software engineering projects and unfamiliar problem-solving scenarios. The model has been evaluated using benchmarks such as MemoryBench, FocusBench, AutomationBench-AA, SWE-Marathon, and DeepSWE, with additional safety evaluations addressing privacy protection, adversarial instructions, and misuse prevention. Muse Wonder is available through the Meta Model API and Muse Code, while Muse Wonder Full is available to Muse Code subscribers, with broader integration into Meta's Muse assistant planned.

SWE-2 is Cognition’s coding model for software engineering agents, developed to improve the balance between capability, reasoning cost, and execution efficiency. The model is post-trained from Kimi K3, a multi-trillion-parameter model that had already received extensive reinforcement learning for agentic coding. Cognition further trained SWE-2 with a reinforcement learning algorithm that optimizes several reasoning-effort levels during a single training run. These effort levels let users trade off speed and cost against deeper planning, codebase exploration, and verification for more difficult assignments. SWE-2 is designed to reduce the over-exploration seen in earlier models by identifying relevant files and implementation paths more quickly. Its software engineering abilities include repository analysis, code writing and editing, debugging, testing, build and lint workflows, terminal tasks, and verification of completed work. The model places additional emphasis on writing end-to-end tests, catching edge cases and regressions, and gathering evidence instead of simply accepting assumptions in a prompt. Cognition’s training approach also uses cost penalties tied to the model’s performance frontier, length-weighted reward baselines, speculative decoding improvements, low-precision inference techniques, and expanded reinforcement learning data. Training data includes more diverse repositories, additional instruction-following requirements, and iterative verifier improvements designed to reduce reward hacking and false validation. SWE-2 is benchmarked against models such as GPT-6 Astra, GPT-5.6 Sol, Fable 5.1, Grok 4.6, and Kimi K3, with Cognition positioning it around strong coding performance at substantially lower cost. SWE-2 is intended for use across Cognition’s Devin ecosystem, including Desktop and CLI, with rollout to Devin Web and Fusion.

MiMo-V2.6-Flash is an open-source, natively omnimodal AI model from Xiaomi MiMo built for users that need strong agentic and multimodal capabilities at a comparatively low operating cost. It is the efficiency-oriented model in the MiMo-V2.6 family, complementing the higher-capability MiMo-V2.6-Pro model. MiMo-V2.6-Flash supports software engineering, terminal-based workflows, tool use, automation, computer interaction, visual reasoning, and other multi-step agent tasks. Its multimodal abilities allow it to work with text, images, video, rendered environments, and other visual inputs when completing complex tasks. Xiaomi demonstrates the MiMo-V2.6 family generating frontend interfaces, presentation decks, 3D scenes, Blender assets, interactive worlds, and other visual outputs from natural-language or reference-based instructions. The models can also coordinate multiple agents, verify rendered results, and iteratively refine generated content based on visual feedback. In embodied simulation environments, MiMo-V2.6 can process multi-view camera feeds and continuously reason about actions such as object grasping, matching, and placement. MiMo-V2.6-Flash was trained with large-scale reinforcement learning across heterogeneous coding, general-agent, visual, and cybersecurity environments. Xiaomi reports that the Flash training run completed approximately 30 reinforcement learning steps across roughly 750,000 trajectories and significantly improved performance on held-out software engineering and automation evaluations. The company has released the MiMo-V2.6 series together with technical documentation, training environments, and reinforcement learning code so researchers can inspect and reproduce portions of the training approach. MiMo-V2.6-Flash is available through MiMo Desktop, AI Studio, MiMo Code, the Xiaomi MiMo API Platform, OpenRouter, and the project’s open-source distribution channels.

Claude Fable 5 is a frontier AI model developed by Anthropic to deliver advanced reasoning, coding, research, and multimodal capabilities for enterprise and professional users. As a Mythos-class model adapted for broad availability, it combines high-level intelligence with safety-focused deployment controls. The model excels at software engineering tasks, including large-scale code analysis, migrations, debugging, architecture review, and autonomous project execution. Claude Fable 5 also demonstrates strong performance in knowledge work, helping users analyze documents, evaluate financial information, interpret charts and tables, conduct research, and generate actionable insights. Its vision capabilities enable sophisticated image understanding, visual reasoning, and screenshot-based analysis. The model supports long-context workflows and persistent memory utilization, allowing it to work effectively on extended tasks involving millions of tokens of information. Anthropic has implemented a layered safety framework that includes specialized classifiers for cybersecurity, biology, chemistry, and model distillation-related requests. When these areas are detected, requests may be handled by a different model with stricter operational controls. Claude Fable 5 is available through the Claude API and Anthropic’s product ecosystem, providing developers and enterprises with access to advanced AI-powered assistance. The model is designed to enhance productivity, accelerate research, improve software development workflows, and support complex analytical tasks. By combining powerful reasoning, multimodal intelligence, and enterprise-focused safeguards, Claude Fable 5 enables organizations to scale AI adoption responsibly and effectively.

Grok 4.5 is an advanced AI model from SpaceXAI built for coding, agentic tasks, engineering workflows, and knowledge work. It is presented as SpaceXAI’s strongest model to date and is designed to perform well on real-world software engineering tasks rather than only short benchmark prompts. The model was trained on datasets spanning coding, science, engineering, and math, with heavy investment in data filtering, deduplication, quality scoring, and domain-focused selection. Its reinforcement learning process focuses on multi-step software engineering, technical problem solving, automated grading, model-based evaluation, and long-running agentic rollouts. Grok 4.5 can work on challenging development tasks across languages and environments, including Rust, C/C++, terminal workflows, debugging, bug fixing, and end-to-end app generation. The model is also capable of building polished applications from a single prompt, such as interactive simulations, modern interfaces, and functional web experiences. In addition to coding, Grok 4.5 supports knowledge work inside Grok Build, including Excel model creation, web research, multi-sheet formulas, PowerPoint slide design, native diagram creation, and Word document drafting. It is designed for speed and efficiency, with fast serving, strong token efficiency, and pricing based on input and output token usage. Developers can access Grok 4.5 through the SpaceXAI API console, Cursor, and Grok Build, making it usable across coding tools, productivity environments, and custom applications. The model is positioned for teams that need intelligent technical execution at a lower cost and with fewer steps than some competing frontier models. By combining engineering-focused training, agentic reasoning, fast inference, office productivity skills, and broad developer access, Grok 4.5 gives users a capable model for building, automating, debugging, researching, and shipping complex work.

Inkling is an open-weights multimodal AI model from Thinking Machines built to support customization, agentic workflows, coding, reasoning, vision, audio, and enterprise AI use cases. The model is a Mixture-of-Experts transformer with 975 billion total parameters, 41 billion active parameters, 256 routed experts per MoE layer, and six routed experts active per token. It supports context windows up to 1 million tokens and was pretrained on 45 trillion tokens across text, images, audio, and video. Inkling is designed as a broad foundation model rather than a narrowly optimized benchmark model, giving it balanced capabilities across reasoning, coding, factuality, instruction following, vision, audio, tool use, and safety. Its controllable thinking effort lets developers adjust how much computation and generated reasoning the model uses, helping teams balance quality, latency, and cost for different production needs. The model can run agentic coding tasks, use tools, create web apps, generate polished multi-page artifacts, reason over long contexts, and work through iterative refinement loops. For multimodal tasks, Inkling can process images, answer questions about visual content, transcribe and reason over audio, follow spoken instructions, and combine visual reasoning with code-based tools such as Python. Thinking Machines trained Inkling for calibration, instruction following, factual reliability, refusal behavior, and safety across multiple modalities, including evaluations for dangerous capabilities and human-AI threat vectors. Inkling is available on Tinker for fine-tuning, with 64K and 256K context options, an Inkling Playground for testing, cookbook recipes, and support for multimodal post-training workflows. Its full weights are available on Hugging Face, and deployment support is available through APIs and infrastructure partners such as TogetherAI, Fireworks, Modal, Databricks, Baseten, SGLang, vLLM, llama.cpp, and transformers.

Seed2.1 marks a significant leap forward in the realm of productivity tools, incorporating two distinct AI models, Pro and Turbo, specifically designed to cater to varying user requirements. It effectively addresses complex challenges faced in daily tasks, workplace obligations, and innovative projects, thereby greatly improving capabilities in diverse domains such as general assistance, code creation, multimodal understanding, knowledge application, and reasoning skills. For high-demand office tasks and complex daily inquiries, Seed2.1 proficiently oversees a variety of multi-step workflows, which include managing projects, handling documents, utilizing various tools, analyzing data, formulating solutions, organizing content, and synthesizing results. In the sphere of software development, Seed2.1 enhances the efficiency of end-to-end processes within enterprise workflows by managing elements such as requirement gathering, software design, feature implementation, debugging, environment setup, and quality assurance. Furthermore, this model demonstrates a high level of proficiency in analyzing entire codebases, skillfully coordinating updates across multiple files, and delivering robust, production-ready software engineering solutions. By combining these capabilities, Seed2.1 not only boosts overall productivity but also instills users with the confidence to confront and resolve intricate challenges effectively, paving the way for innovation and progress.

Claude Fable 5.5 is a possible future addition to Anthropic's premium Claude Fable model line, but Anthropic has not officially announced a model under that name as of September 30, 2026. The company's current model catalog identifies Claude Fable 5.1 as the latest Fable model, alongside the newer Claude Opus 5.5 and Claude Sonnet 5.5. Anthropic positions Fable 5.1 for demanding reasoning and long-horizon agentic work requiring its highest-end model capabilities. The model provides a 1-million-token context window and supports outputs of up to 128,000 tokens. Fable 5.1 uses adaptive thinking that is always enabled and defaults to a high effort setting for more intensive reasoning. It accepts text and images as input and generates text output, with Anthropic listing June 2026 as both its reliable knowledge cutoff and training-data cutoff. Fable 5.1 costs $10 per million input tokens and $50 per million output tokens, with cache reads priced at $0.25 per million tokens. It is officially supported through the Claude API, Amazon Bedrock, Google Cloud, Microsoft Foundry, and Claude Platform on AWS. Anthropic's September releases have expanded the Claude 5.5 generation with Opus 5.5 and Sonnet 5.5, but its official model catalog has not similarly replaced Fable 5.1 with Fable 5.5. Anthropic's Trust Center likewise lists documentation for Claude Mythos 5.1 and Fable 5.1 as well as Opus 5.5 and Sonnet 5.5, without documentation for a Fable 5.5 model. Consequently, claims about Claude Fable 5.5's performance, benchmarks, context limits, pricing, capabilities, or release date should be considered unconfirmed until Anthropic publishes official information.

GLM-Legal is a domain-specialized artificial intelligence model developed by Z.ai for legal reasoning, document analysis, professional legal research, and agentic workflow execution. Introduced in October 2026, the model is based on the GLM-5.3-Flash architecture and incorporates additional training focused on legal knowledge and practical legal assignments. Its training process combines specialized legal corpora, domain-focused mid-training, and reinforcement learning across simulated legal work environments. GLM-Legal is designed to analyze source documents, identify material facts, interpret applicable legal principles, and develop structured arguments supported by relevant evidence. Contract review capabilities enable the model to evaluate agreement provisions, identify legal and commercial risks, and recommend specific changes to contractual language. Its evidence analysis functionality supports the examination of multiple documents, identification of inconsistent statements, and development of arguments based on referenced source materials. The model can also conduct compliance research involving privacy regulations, cross-border data transfers, marketing requirements, and other jurisdiction-specific legal obligations. GLM-Legal supports multistep agent workflows that combine contextual information retrieval, document analysis, legal reasoning, and generation of formatted work products. Planned integration with AutoClaw enables legal professionals to use these capabilities in document editing workflows, including Microsoft Word files with tracked changes and comments. Z.ai reports a 19.2% all-pass rate on Harvey's Legal Agent Benchmark, representing a 12.5-percentage-point improvement over the underlying base model, alongside competitive results on LegalBench and PLawBench. GLM-Legal is available for beta applications, with Z.ai offering prospective users an opportunity to request API access and explore integration into legal technology.

Mistral Large 4 is a dynamic multimodal language model that can be accessed through Mistral's hosted inference API. It combines abilities such as following instructions, reasoning, and performing agent-like tasks, enabling it to handle images and text at the same time. This model is crafted for developers, allowing them to tackle a wide array of tasks, including chat completions, generating structured data outputs, performing functions, answering questions based on documents, and optimizing workflows with tools. Its applications are extensive, covering areas like conversational AI, assistance in software development, cybersecurity assessments, processes in finance and law, scientific research, data extraction, and the analysis of various document types, such as charts and images. Designed for developers, researchers, and organizations in the public sector, Mistral Large 4 is optimized for the creation of AI-enhanced applications across diverse sectors, including engineering, manufacturing, finance, logistics, and scientific exploration. Additionally, its versatility makes it an excellent choice for both emerging startups and established corporations aiming to harness the power of AI technologies efficiently. As a result, Mistral Large 4 stands out as a robust solution for anyone seeking to innovate and improve their operational processes through AI.

The MiniMax M3.1 Flash is a sophisticated hosted language model tailored for developers engaged in creating coding assistants, AI agents, and a variety of software solutions. Accessible via the MiniMax API and MiniMax Code, it is capable of processing inputs in text, image, and video formats to produce relevant textual outputs. Its documented features include code generation, debugging, handling complex reasoning tasks, utilizing tools, analyzing codebases and documents, and optimizing computer workflows. The API is equipped with an extensive context window capable of accommodating up to 1 million tokens, provides flexible reasoning options, and supports request formats that are compatible with OpenAI and Anthropic standards. Usage is billed according to the number of tokens utilized for input, output, and cached input. MiniMax offers thorough documentation to facilitate API integration and ensure effective model use. The M3.1 Flash can be accessed through the hosted API, M Plan, and MiniMax Code, with future plans to release model weights, which will further broaden its utility in various applications. This development marks a remarkable advancement in the incorporation of AI technologies into the software development lifecycle, paving the way for enhanced innovation in the field. Additionally, the ongoing improvements to the platform promise to keep it at the forefront of AI-assisted development tools.

Grok 4.3 is a next-generation AI model from xAI that expands on the capabilities of the Grok 4 series with improved reasoning, real-time intelligence, and automation features. It is designed to handle complex, multi-step tasks such as coding, research, and decision-making with greater accuracy and consistency. The model integrates real-time data from the web and X, allowing it to provide up-to-date answers and insights. Grok 4.3 supports multimodal functionality, enabling it to process and generate content across text, images, and other formats. It operates within the SuperGrok Heavy tier, which offers enhanced compute power and access to advanced features. The model includes long-context capabilities, allowing it to analyze large datasets and extended conversations effectively. It also supports tool use and integrations, enabling it to interact with external systems and automate workflows. Grok 4.3 benefits from the multi-agent “heavy” configuration, which improves performance on complex reasoning tasks. It is optimized for speed, responsiveness, and real-time interaction. The model can be used for a wide range of applications, including software development, research, and business analysis. It builds on Grok’s foundation as an AI assistant integrated with modern platforms and environments. The system continues to evolve with ongoing updates and feature enhancements. Overall, Grok 4.3 represents a powerful AI solution for users seeking real-time intelligence and advanced automation capabilities.

Muse Wonder Full is a large-scale artificial intelligence model developed by Meta for advanced agentic reasoning, professional knowledge work, and complex software engineering tasks. Introduced in October 2026, it represents the larger variant of the Muse Wonder family and builds on Meta's research into scaling pretrained models and reinforcement learning. The model is designed to manage complex objectives involving multiple steps, changing requirements, external information, and sustained problem-solving. Its Active Memory capability maintains important contextual information across conversations and retrieves relevant details when they become useful for subsequent tasks. Active Focus enables the model to pursue long-running assignments, explore alternative strategies, recover from obstacles, and adapt to new information. The system can request clarification when instructions are incomplete and seek user confirmation before performing important actions. Muse Wonder Full supports professional applications involving legal documents, financial analysis, health-related information, and business process automation. Its coding capabilities include generating software, analyzing existing repositories, tracking implementation requirements, modifying source code, and performing iterative testing and debugging. Meta trained the model on diverse long-running software engineering tasks to support development projects requiring multiple rounds of implementation and revision. Evaluations include MemoryBench for contextual memory, FocusBench for sustained task execution, SWE-Marathon and DeepSWE for software engineering, and additional assessments covering professional agents and unfamiliar problem-solving tasks. Muse Wonder Full is available to Muse Code subscribers, with Meta also reporting safety evaluations addressing personal information handling, adversarial instructions, unauthorized code execution, and misuse prevention.

Grok 4 is the latest AI model released by xAI, built using the Colossus supercomputer to offer state-of-the-art reasoning, natural language understanding, and multimodal capabilities. This model can interpret and generate responses based on text and images, with planned support for video inputs to broaden its contextual awareness. It has demonstrated exceptional results on scientific reasoning and visual tasks, outperforming several leading AI competitors in benchmark evaluations. Targeted at developers, researchers, and technical professionals, Grok 4 delivers powerful tools for complex problem-solving and creative workflows. The model integrates enhanced moderation features to reduce biased or harmful outputs, addressing critiques from previous versions. Grok 4 embodies xAI’s vision of combining cutting-edge technology with ethical AI practices. It aims to support innovative scientific research and practical applications across diverse domains. With Grok 4, xAI positions itself as a strong competitor in the AI landscape. The model represents a leap forward in AI’s ability to understand, reason, and create. Overall, Grok 4 is designed to empower advanced users with reliable, responsible, and versatile AI intelligence.

Grok 4.20 is an advanced AI model developed by xAI to deliver state-of-the-art reasoning and natural language understanding. It is built on the powerful Colossus supercomputer, enabling massive computational scale and rapid inference. The model currently supports multimodal inputs such as text and images, with video processing capabilities planned for future releases. Grok 4.20 excels in scientific, technical, and linguistic domains, offering precise and context-rich responses. Its architecture is optimized for complex reasoning, enabling multi-step problem solving and deeper interpretation. Compared to earlier versions, it demonstrates improved coherence and more nuanced output generation. Enhanced moderation mechanisms help reduce bias and promote responsible AI behavior. Grok 4.20 is designed to handle advanced analytical tasks with consistency and clarity. The model competes with leading AI systems in both performance and reasoning depth. Its design emphasizes interpretability and human-like communication. Grok 4.20 represents a major milestone in AI systems that can understand intent and context more effectively. Overall, it advances the goal of creating AI that reasons and responds in a more human-centric way.

Grok-3, developed by xAI, marks a significant breakthrough in the realm of artificial intelligence, aiming to set new benchmarks for AI capabilities. This innovative model is designed as a multimodal AI, allowing it to process and interpret data from various sources, including text, images, and audio, which enhances the interaction experience for users. Built on an unparalleled scale, Grok-3 utilizes ten times the computational power of its predecessor, employing the capabilities of 100,000 Nvidia H100 GPUs within the Colossus supercomputer framework. Such extraordinary computational resources are anticipated to greatly enhance Grok-3's performance in multiple areas, such as reasoning, coding, and the real-time analysis of current events by directly accessing X posts. As a result of these advancements, Grok-3 is set not only to outpace its previous versions but also to compete with other leading AI systems in the generative AI field, which could fundamentally alter user expectations and capabilities within this sector. The far-reaching effects of Grok-3's capabilities may transform the integration of AI into daily applications, potentially leading to the development of more advanced and sophisticated technological solutions in various industries. Additionally, its ability to seamlessly blend information from diverse formats could foster more intuitive and engaging user interactions.

Grok 4.1, the newest AI model from Elon Musk’s xAI, redefines what’s possible in advanced reasoning and multimodal intelligence. Engineered on the Colossus supercomputer, it handles both text and image inputs and is being expanded to include video understanding—bringing AI perception closer to human-level comprehension. Grok 4.1’s architecture has been fine-tuned to deliver superior performance in scientific reasoning, mathematical precision, and natural language fluency, setting a new bar for cognitive capability in machine learning. It excels in processing complex, interrelated data, allowing users to query, visualize, and analyze concepts across multiple domains seamlessly. Designed for developers, scientists, and technical experts, the model provides tools for research, simulation, design automation, and intelligent data analysis. Compared to previous versions, Grok 4.1 demonstrates improved stability, better contextual awareness, and a more refined tone in conversation. Its enhanced moderation layer effectively mitigates bias and safeguards output integrity while maintaining expressiveness. xAI’s design philosophy focuses on merging raw computational power with human-like adaptability, allowing Grok to reason, infer, and create with deeper contextual understanding. The system’s multimodal framework also sets the stage for future AI integrations across robotics, autonomous systems, and advanced analytics. In essence, Grok 4.1 is not just another AI model—it’s a glimpse into the next era of intelligent, human-aligned computation.