List of the Top AI Coding Models for Windows in 2026 - Page 3

SmolLM2 features a sophisticated range of compact language models designed for effective on-device operations. This assortment includes models with various parameter counts, such as a substantial 1.7 billion, alongside more efficient iterations at 360 million and 135 million parameters, which guarantees optimal functionality on devices with limited resources. The models are particularly adept at text generation and have been fine-tuned for scenarios that demand quick responses and low latency, ensuring they deliver exceptional results in diverse applications, including content creation, programming assistance, and understanding natural language. The adaptability of SmolLM2 makes it a prime choice for developers who wish to embed powerful AI functionalities into mobile devices, edge computing platforms, and other environments where resource availability is restricted. Its thoughtful design exemplifies a dedication to achieving a balance between high performance and user accessibility, thus broadening the reach of advanced AI technologies. Furthermore, the ongoing development of such models signals a promising future for AI integration in everyday technology.

QwQ-Max-Preview represents an advanced AI model built on the Qwen2.5-Max architecture, designed to demonstrate exceptional abilities in areas such as intricate reasoning, mathematical challenges, programming tasks, and agent-based activities. This preview highlights its improved functionalities across various general-domain applications, showcasing a strong capability to handle complex workflows effectively. Set to be launched as open-source software under the Apache 2.0 license, QwQ-Max-Preview is expected to feature substantial enhancements and refinements in its final version. In addition to its technical advancements, the model plays a vital role in fostering a more inclusive AI landscape, which is further supported by the upcoming release of the Qwen Chat application and streamlined model options like QwQ-32B, aimed at developers seeking local deployment alternatives. This initiative not only enhances accessibility for a broader audience but also stimulates creativity and progress within the AI community, ensuring that diverse voices can contribute to the field's evolution. The commitment to open-source principles is likely to inspire further exploration and collaboration among developers.

Mistral AI has unveiled the Mistral Large 2, an advanced AI model engineered to perform exceptionally well across various fields, including code generation, multilingual comprehension, and complex reasoning tasks. Boasting a remarkable 128k context window, this model supports a vast selection of languages such as English, French, Spanish, and Arabic, as well as more than 80 programming languages. Tailored for high-throughput single-node inference, Mistral Large 2 is ideal for applications that demand substantial context management. Its outstanding performance on benchmarks like MMLU, alongside enhanced abilities in code generation and reasoning, ensures both precision and effectiveness in outcomes. Moreover, the model is equipped with improved function calling and retrieval functionalities, which are especially advantageous for intricate business applications. This versatility positions Mistral Large 2 as a formidable asset for developers and enterprises eager to harness cutting-edge AI technologies for innovative solutions, ultimately driving efficiency and productivity in their operations.

Meta’s Llama 4 Maverick is a state-of-the-art multimodal AI model that packs 17 billion active parameters and 128 experts into a high-performance solution. Its performance surpasses other top models, including GPT-4o and Gemini 2.0 Flash, particularly in reasoning, coding, and image processing benchmarks. Llama 4 Maverick excels at understanding and generating text while grounding its responses in visual data, making it perfect for applications that require both types of information. This model strikes a balance between power and efficiency, offering top-tier AI capabilities at a fraction of the parameter size compared to larger models, making it a versatile tool for developers and enterprises alike.

Qwen3, the latest large language model from the Qwen family, introduces a new level of flexibility and power for developers and researchers. With models ranging from the high-performance Qwen3-235B-A22B to the smaller Qwen3-4B, Qwen3 is engineered to excel across a variety of tasks, including coding, math, and natural language processing. The unique hybrid thinking modes allow users to switch between deep reasoning for complex tasks and fast, efficient responses for simpler ones. Additionally, Qwen3 supports 119 languages, making it ideal for global applications. The model has been trained on an unprecedented 36 trillion tokens and leverages cutting-edge reinforcement learning techniques to continually improve its capabilities. Available on multiple platforms, including Hugging Face and ModelScope, Qwen3 is an essential tool for those seeking advanced AI-powered solutions for their projects.

Mistral Medium 3 is a breakthrough in AI technology, offering the perfect balance of cutting-edge performance and significantly reduced costs. This model introduces a new era of enterprise AI, with a focus on simplifying deployments while still providing exceptional performance. Its ability to deliver high-level results at just a fraction of the cost of its competitors makes it a game-changer in industries that rely on complex AI tasks. Mistral Medium 3 is particularly strong in professional use cases like coding, where it competes closely with larger models that are typically more expensive and slower. The model supports hybrid and on-premises deployments, offering enterprise users full control over customization and integration into their systems. Businesses can leverage Mistral Medium 3 for both large-scale deployments and fine-tuned, domain-specific training, allowing for enhanced efficiency in industries such as healthcare, financial services, and energy. The addition of continuous learning and the ability to integrate with enterprise knowledge bases makes it a flexible, future-proof solution. Customers in beta are already using Mistral Medium 3 to enrich customer service, personalize business processes, and analyze complex datasets, demonstrating its real-world value. Available through various cloud platforms like Amazon Sagemaker, IBM WatsonX, and Google Cloud Vertex, Mistral Medium 3 is now ready to be deployed for custom use cases across a range of industries.

Qwen3-Coder is a multifaceted coding model available in different sizes, prominently showcasing the 480B-parameter Mixture-of-Experts variant with 35B active parameters, which adeptly manages 256K-token contexts that can be scaled up to 1 million tokens. It demonstrates remarkable performance comparable to Claude Sonnet 4, having been pre-trained on a staggering 7.5 trillion tokens, with 70% of that data comprising code, and it employs synthetic data fine-tuned through Qwen2.5-Coder to bolster both coding proficiency and overall effectiveness. Additionally, the model utilizes advanced post-training techniques that incorporate substantial, execution-guided reinforcement learning, enabling it to generate a wide array of test cases across 20,000 parallel environments, thus excelling in multi-turn software engineering tasks like SWE-Bench Verified without requiring test-time scaling. Beyond the model itself, the open-source Qwen Code CLI, inspired by Gemini Code, equips users to implement Qwen3-Coder within dynamic workflows by utilizing customized prompts and function calling protocols while ensuring seamless integration with Node.js, OpenAI SDKs, and environment variables. This robust ecosystem not only aids developers in enhancing their coding projects efficiently but also fosters innovation by providing tools that adapt to various programming needs. Ultimately, Qwen3-Coder stands out as a powerful resource for developers seeking to improve their software development processes.

GPT-5 mini is a faster, more affordable variant of OpenAI’s advanced GPT-5 language model, specifically tailored for well-defined and precise tasks that benefit from high reasoning ability. It accepts both text and image inputs (image input only), and generates high-quality text outputs, supported by a large 400,000-token context window and a maximum of 128,000 tokens in output, enabling complex multi-step reasoning and detailed responses. The model excels in providing rapid response times, making it ideal for use cases where speed and efficiency are critical, such as chatbots, customer service, or real-time analytics. GPT-5 mini’s pricing structure significantly reduces costs, with input tokens priced at $0.25 per million and output tokens at $2 per million, offering a more economical option compared to the flagship GPT-5. While it supports advanced features like streaming, function calling, structured output generation, and fine-tuning, it does not currently support audio input or image generation capabilities. GPT-5 mini integrates seamlessly with multiple API endpoints including chat completions, responses, embeddings, and batch processing, providing versatility for a wide array of applications. Rate limits are tier-based, scaling from 500 requests per minute up to 30,000 per minute for higher tiers, accommodating small to large scale deployments. The model also supports snapshots to lock in performance and behavior, ensuring consistency across applications. GPT-5 mini is ideal for developers and businesses seeking a cost-effective solution with high reasoning power and fast throughput. It balances cutting-edge AI capabilities with efficiency, making it a practical choice for applications demanding speed, precision, and scalability.

GLM-4.6 builds on the groundwork established by its predecessor, offering improved reasoning, coding, and agent functionalities that lead to significant improvements in inferential precision, better tool application during reasoning exercises, and a smoother incorporation into agent architectures. In extensive benchmark assessments evaluating reasoning, coding, and agent performance, GLM-4.6 outperforms GLM-4.5 and holds its own against competitive models such as DeepSeek-V3.2-Exp and Claude Sonnet 4, though it still trails Claude Sonnet 4.5 regarding coding proficiency. Additionally, when evaluated through practical testing using a comprehensive “CC-Bench” suite, which encompasses tasks related to front-end development, tool creation, data analysis, and algorithmic challenges, GLM-4.6 shows superior performance compared to GLM-4.5, achieving a nearly equal standing with Claude Sonnet 4, winning around 48.6% of direct matchups while exhibiting an approximate 15% boost in token efficiency. This newest iteration is available via the Z.ai API, allowing developers to utilize it either as a backend for an LLM or as the fundamental component in an agent within the platform's API ecosystem. Moreover, the enhancements in GLM-4.6 promise to significantly elevate productivity across diverse application areas, making it a compelling choice for developers eager to adopt the latest advancements in AI technology. Consequently, the model's versatility and performance improvements position it as a key player in the ongoing evolution of AI-driven solutions.

Devstral 2 is an innovative, open-source AI model tailored for software engineering, transcending simple code suggestions to fully understand and manipulate entire codebases; this advanced functionality enables it to execute tasks such as multi-file edits, bug fixes, refactoring, managing dependencies, and generating code that is aware of its context. The suite includes a powerful 123-billion-parameter model alongside a streamlined 24-billion-parameter variant called “Devstral Small 2,” offering flexibility for teams; the larger model excels in handling intricate coding tasks that necessitate a deep contextual understanding, whereas the smaller model is optimized for use on less robust hardware. With a remarkable context window capable of processing up to 256 K tokens, Devstral 2 is adept at analyzing extensive repositories, tracking project histories, and maintaining a comprehensive understanding of large files, which is especially advantageous for addressing the challenges of real-world software projects. Additionally, the command-line interface (CLI) further enhances the model’s functionality by monitoring project metadata, Git statuses, and directory structures, thereby enriching the AI’s context and making “vibe-coding” even more impactful. This powerful blend of features solidifies Devstral 2's role as a revolutionary tool within the software development ecosystem, offering unprecedented support for engineers. As the landscape of software engineering continues to evolve, tools like Devstral 2 promise to redefine the way developers approach coding tasks.

Devstral Small 2 is a condensed, 24 billion-parameter variant of Mistral AI's groundbreaking coding-focused models, made available under the adaptable Apache 2.0 license to support both local use and API access. Alongside its more extensive sibling, Devstral 2, it offers "agentic coding" capabilities tailored for low-computational environments, featuring a substantial 256K-token context window that enables it to understand and alter entire codebases with ease. With a performance score nearing 68.0% on the widely recognized SWE-Bench Verified code-generation benchmark, Devstral Small 2 distinguishes itself within the realm of open-weight models that are much larger. Its compact structure and efficient design allow it to function effectively on a single GPU or even in CPU-only setups, making it an excellent option for developers, small teams, or hobbyists who may lack access to extensive data-center facilities. Moreover, despite being smaller, Devstral Small 2 retains critical functionalities found in its larger counterparts, such as the capability to reason through multiple files and adeptly manage dependencies, ensuring that users enjoy substantial coding support. This combination of efficiency and high performance positions it as an indispensable asset for the coding community. Additionally, its user-friendly approach ensures that both novice and experienced programmers can leverage its capabilities without significant barriers.

DeepCoder, a fully open-source initiative for code reasoning and generation, has been created through a collaboration between the Agentica Project and Together AI. Built on the foundation of DeepSeek-R1-Distilled-Qwen-14B, it has been fine-tuned using distributed reinforcement learning techniques, achieving an impressive accuracy of 60.6% on LiveCodeBench, which represents an 8% improvement compared to its predecessor. This remarkable performance positions it competitively alongside proprietary models such as o3-mini (2025-01-031 Low) and o1, all while operating with a streamlined 14 billion parameters. The training process was intensive, lasting 2.5 weeks on a fleet of 32 H100 GPUs and utilizing a meticulously curated dataset comprising around 24,000 coding challenges obtained from reliable sources such as TACO-Verified, PrimeIntellect SYNTHETIC-1, and submissions to LiveCodeBench. Each coding challenge was required to include a valid solution paired with at least five unit tests to ensure robustness during the reinforcement learning phase. Additionally, DeepCoder employs innovative methods like iterative context lengthening and overlong filtering to effectively handle long-range contextual dependencies, allowing it to tackle complex coding tasks with proficiency. This distinctive approach not only enhances DeepCoder's accuracy and reliability in code generation but also positions it as a significant player in the landscape of code generation models. As a result, developers can rely on its capabilities for diverse programming challenges.

DeepSWE represents a groundbreaking advancement in open-source coding agents, harnessing the Qwen3-32B foundation model trained exclusively through reinforcement learning (RL) without the aid of supervised fine-tuning or proprietary model distillation. Developed using rLLM, which is Agentica's open-source RL framework tailored for language-driven agents, DeepSWE functions effectively within a simulated development environment provided by the R2E-Gym framework. This setup equips it with a range of tools, such as a file editor, search functions, shell execution, and submission capabilities, allowing the agent to adeptly navigate extensive codebases, modify multiple files, compile code, execute tests, and iteratively generate patches or fulfill intricate engineering tasks. In addition to mere code generation, DeepSWE exhibits sophisticated emergent behaviors; when confronted with bugs or feature requests, it engages in critical reasoning regarding edge cases, searches for existing tests in the codebase, proposes patches, creates additional tests to avert regressions, and adapts its cognitive strategies based on the specific challenges presented. This remarkable adaptability and efficiency position DeepSWE as a formidable asset in the software development landscape, empowering developers to tackle complex projects with greater ease and confidence. Its ability to learn from each interaction further enhances its performance, ensuring continuous improvement over time.

The GLM-4.6V is a sophisticated, open-source multimodal vision-language model that is part of the Z.ai (GLM-V) series, specifically designed for tasks that involve reasoning, perception, and actionable outcomes. It comes in two distinct configurations: a full-featured version boasting 106 billion parameters, ideal for cloud-based systems or high-performance computing setups, and a more efficient “Flash” version with 9 billion parameters, optimized for local use or scenarios that demand minimal latency. With an impressive native context window capable of handling up to 128,000 tokens during its training, GLM-4.6V excels in managing large documents and various multimodal data inputs. A key highlight of this model is its integrated Function Calling feature, which allows it to directly accept different types of visual media, including images, screenshots, and documents, without the need for manual text conversion. This capability not only streamlines the reasoning process regarding visual content but also empowers the model to make tool calls, effectively bridging visual perception with practical applications. The adaptability of GLM-4.6V paves the way for numerous applications, such as generating combined image-and-text content that enhances document understanding with text summarization or crafting responses that incorporate image annotations, significantly improving user engagement and output quality. Moreover, its architecture encourages exploration into innovative uses across diverse fields, making it a valuable asset in the realm of AI.

GLM-4.1V represents a cutting-edge vision-language model that provides a powerful and efficient multimodal ability for interpreting and reasoning through different types of media, such as images, text, and documents. The 9-billion-parameter variant, referred to as GLM-4.1V-9B-Thinking, is built on the GLM-4-9B foundation and has been refined using a distinctive training method called Reinforcement Learning with Curriculum Sampling (RLCS). With a context window that accommodates 64k tokens, this model can handle high-resolution inputs, supporting images with a resolution of up to 4K and any aspect ratio, enabling it to perform complex tasks like optical character recognition, image captioning, chart and document parsing, video analysis, scene understanding, and GUI-agent workflows, which include interpreting screenshots and identifying UI components. In benchmark evaluations at the 10 B-parameter scale, GLM-4.1V-9B-Thinking achieved remarkable results, securing the top performance in 23 of the 28 tasks assessed. These advancements mark a significant progression in the fusion of visual and textual information, establishing a new benchmark for multimodal models across a variety of applications, and indicating the potential for future innovations in this field. This model not only enhances existing workflows but also opens up new possibilities for applications in diverse domains.

GLM-4.5V-Flash is an open-source vision-language model designed to seamlessly integrate powerful multimodal capabilities into a streamlined and deployable format. This versatile model supports a variety of input types including images, videos, documents, and graphical user interfaces, enabling it to perform numerous functions such as scene comprehension, chart and document analysis, screen reading, and image evaluation. Unlike larger models, GLM-4.5V-Flash boasts a smaller size yet retains crucial features typical of visual language models, including visual reasoning, video analysis, GUI task management, and intricate document parsing. Its application within "GUI agent" frameworks allows the model to analyze screenshots or desktop captures, recognize icons or UI elements, and facilitate both automated desktop and web activities. Although it may not reach the performance levels of the most extensive models, GLM-4.5V-Flash offers remarkable adaptability for real-world multimodal tasks where efficiency, lower resource demands, and broad modality support are vital. Ultimately, its innovative design empowers users to leverage sophisticated capabilities while ensuring optimal speed and easy access for various applications. This combination makes it an appealing choice for developers seeking to implement multimodal solutions without the overhead of larger systems.

The GLM-4.5V model emerges as a significant advancement over its predecessor, the GLM-4.5-Air, featuring a sophisticated Mixture-of-Experts (MoE) architecture that includes an impressive total of 106 billion parameters, with 12 billion allocated specifically for activation purposes. This model is distinguished by its superior performance among open-source vision-language models (VLMs) of similar scale, excelling in 42 public benchmarks across a wide range of applications, including images, videos, documents, and GUI interactions. It offers a comprehensive suite of multimodal capabilities, tackling image reasoning tasks like scene understanding, spatial recognition, and multi-image analysis, while also addressing video comprehension challenges such as segmentation and event recognition. In addition, it demonstrates remarkable proficiency in deciphering intricate charts and lengthy documents, which supports GUI-agent workflows through functionalities like screen reading and desktop automation, along with providing precise visual grounding by identifying objects and creating bounding boxes. The introduction of a unique "Thinking Mode" switch further enhances the user experience, enabling users to choose between quick responses or more deliberate reasoning tailored to specific situations. This innovative addition not only underscores the versatility of GLM-4.5V but also highlights its adaptability to meet diverse user requirements, making it a powerful tool in the realm of multimodal AI solutions. Furthermore, the model’s ability to seamlessly integrate into various applications signifies its potential for widespread adoption in both research and practical environments.

GLM-4.7 is an advanced AI model engineered to push the boundaries of coding, reasoning, and agent-based workflows. It delivers clear performance gains across software engineering benchmarks, terminal automation, and multilingual coding tasks. GLM-4.7 enhances stability through interleaved, preserved, and turn-level thinking, enabling better long-horizon task execution. The model is optimized for use in modern coding agents, making it suitable for real-world development environments. GLM-4.7 also improves creative and frontend output, generating cleaner user interfaces and more visually accurate slides. Its tool-using abilities have been significantly strengthened, allowing it to interact with browsers, APIs, and automation systems more reliably. Advanced reasoning improvements enable better performance on mathematical and logic-heavy tasks. GLM-4.7 supports flexible deployment, including cloud APIs and local inference. The model is compatible with popular inference frameworks such as vLLM and SGLang. Developers can integrate GLM-4.7 into existing workflows with minimal configuration changes. Its pricing model offers high performance at a fraction of comparable coding models. GLM-4.7 is designed to feel like a dependable coding partner rather than just a benchmark-optimized model.

MiniMax-M2.1 is a high-performance, open-source agentic language model designed for modern development and automation needs. It was created to challenge the idea that advanced AI agents must remain proprietary. The model is optimized for software engineering, tool usage, and long-horizon reasoning tasks. MiniMax-M2.1 performs strongly in multilingual coding and cross-platform development scenarios. It supports building autonomous agents capable of executing complex, multi-step workflows. Developers can deploy the model locally, ensuring full control over data and execution. The architecture emphasizes robustness, consistency, and instruction accuracy. MiniMax-M2.1 demonstrates competitive results across industry-standard coding and agent benchmarks. It generalizes well across different agent frameworks and inference engines. The model is suitable for full-stack application development, automation, and AI-assisted engineering. Open weights allow experimentation, fine-tuning, and research. MiniMax-M2.1 provides a powerful foundation for the next generation of intelligent agents.

Composer is an AI model developed by Cursor, specifically designed for software engineering tasks, providing fast and interactive coding assistance within the Cursor IDE, an upgraded version of a VS Code-based editor that features intelligent automation capabilities. This model uses a mixture-of-experts framework and reinforcement learning (RL) to address real-world coding challenges encountered in large codebases, allowing it to offer quick, contextually relevant responses that include code adjustments, planning, and insights into project frameworks, tools, and conventions, achieving generation speeds that are nearly four times faster than those of its peers in performance evaluations. With a focus on the development workflow, Composer incorporates long-context understanding, semantic search functionalities, and limited tool access (including file manipulation and terminal commands) to effectively resolve complex engineering questions with practical and efficient solutions. Its distinctive architecture not only enables adaptability across various programming environments but also ensures that users receive personalized support tailored to their individual coding requirements. Furthermore, the versatility of Composer allows it to evolve alongside the ever-changing landscape of software development, making it an invaluable resource for developers seeking to enhance their coding experience.

Qwen3-Coder-Next is an open-weight language model designed specifically for coding agents and local development, excelling in complex coding reasoning, proficient tool utilization, and effectively managing long-term programming tasks with exceptional efficiency through a mixture-of-experts framework that balances strong capabilities with a resource-conscious design. This model significantly boosts the coding abilities of software developers, AI system designers, and automated coding systems, enabling them to create, troubleshoot, and understand code with a deep contextual insight while skillfully recovering from execution errors, making it particularly suitable for autonomous coding agents and development-focused applications. Additionally, Qwen3-Coder-Next offers remarkable performance comparable to models with larger parameters but operates with a reduced number of active parameters, making it a cost-effective solution for tackling complex and dynamic programming challenges in both research and production environments. Ultimately, this innovative model is designed to enhance the efficiency and effectiveness of the development process, paving the way for more agile and responsive software creation. Its ability to streamline workflows further underscores its potential to transform how programming tasks are approached and executed.

MiniMax M2.5 is an advanced frontier model designed to deliver real-world productivity across coding, search, agentic tool use, and high-value office tasks. Built on large-scale reinforcement learning across hundreds of thousands of structured environments, it achieves state-of-the-art results on benchmarks such as SWE-Bench Verified, Multi-SWE-Bench, and BrowseComp. The model demonstrates architect-level planning capabilities, decomposing system requirements before generating full-stack code across more than ten programming languages including Go, Python, Rust, TypeScript, and Java. It supports complex development lifecycles, from initial system design and environment setup to iterative feature development and comprehensive code review. With native serving speeds of up to 100 tokens per second, M2.5 significantly reduces task completion time compared to prior versions. Reinforcement learning enhancements improve token efficiency and reduce redundant reasoning rounds, making agentic workflows faster and more precise. The model is available in both M2.5 and M2.5-Lightning variants, offering identical intelligence with different throughput configurations. Its pricing structure dramatically undercuts other frontier models, enabling continuous deployment at a fraction of traditional costs. M2.5 is fully integrated into MiniMax Agent, where standardized Office Skills allow it to generate formatted Word documents, financial models in Excel, and presentation-ready PowerPoint decks. Users can also create reusable domain-specific “Experts” that combine industry frameworks with Office Skills for structured, professional outputs. Internally, MiniMax reports that M2.5 autonomously completes a significant portion of operational tasks, including a majority of newly committed code. By pairing scalable reinforcement learning, high-speed inference, and ultra-low cost, MiniMax M2.5 positions itself as a production-ready engine for complex agent-driven applications.

DeepSeek-V4 is a cutting-edge open-source AI model built to deliver exceptional performance in reasoning, coding, and large-scale data processing. It supports an industry-leading one million token context window, allowing it to manage long documents and complex tasks efficiently. The model includes two variants: DeepSeek-V4-Pro, which offers 1.6 trillion parameters with 49 billion active for top-tier performance, and DeepSeek-V4-Flash, which provides a faster and more cost-effective alternative. DeepSeek-V4 introduces structural innovations such as token-wise compression and sparse attention, significantly reducing computational overhead while maintaining accuracy. It is designed with strong agentic capabilities, enabling seamless integration with AI agents and multi-step workflows. The model excels in domains such as mathematics, coding, and scientific reasoning, outperforming many open-source alternatives. It also supports flexible reasoning modes, allowing users to optimize for speed or depth depending on the task. DeepSeek-V4 is compatible with popular APIs, making it easy to integrate into existing systems. Its open-source nature allows developers to customize and scale it according to their needs. The model is already being used in advanced coding agents and automation workflows. It delivers a strong balance of performance, efficiency, and scalability for real-world applications. Overall, DeepSeek-V4 represents a major advancement in accessible, high-performance AI technology.

Qwen3.5 is an advanced open-weight multimodal AI system built to serve as the foundation for native digital agents capable of reasoning across text, images, and video. The primary release, Qwen3.5-397B-A17B, introduces a hybrid architecture that combines Gated DeltaNet linear attention with a sparse mixture-of-experts design, activating just 17 billion parameters per inference pass while maintaining a total parameter count of 397 billion. This selective activation dramatically improves decoding throughput and cost efficiency without sacrificing benchmark-level performance. Qwen3.5 demonstrates strong results across knowledge, multilingual reasoning, coding, STEM tasks, search agents, visual question answering, document understanding, and spatial intelligence benchmarks. The hosted Qwen3.5-Plus variant offers a default one-million-token context window and integrated tool usage such as web search and code interpretation for adaptive problem-solving. Expanded multilingual support now covers 201 languages and dialects, backed by a 250k vocabulary that enhances encoding and decoding efficiency across global use cases. The model is natively multimodal, using early fusion techniques and large-scale visual-text pretraining to outperform prior Qwen-VL systems in scientific reasoning and video analysis. Infrastructure innovations such as heterogeneous parallel training, FP8 precision pipelines, and disaggregated reinforcement learning frameworks enable near-text baseline throughput even with mixed multimodal inputs. Extensive reinforcement learning across diverse and generalized environments improves long-horizon planning, multi-turn interactions, and tool-augmented workflows. Designed for developers, researchers, and enterprises, Qwen3.5 supports scalable deployment through Alibaba Cloud Model Studio while paving the way toward persistent, economically aware, autonomous AI agents.

Leanstral is an open-source AI coding agent introduced by Mistral AI to support the development of formally verified software and mathematical proofs using Lean 4. The model is specifically designed for proof engineering, allowing it to generate code and automatically verify its correctness against formal specifications. Lean 4 is a powerful proof assistant used in advanced mathematics and software verification, and Leanstral is the first AI agent built specifically to operate within this environment. Instead of relying on general-purpose coding models, Leanstral is trained to work directly with formal repositories and structured proof systems. The model uses a sparse architecture with efficient active parameters, enabling it to deliver strong reasoning performance while maintaining computational efficiency. Leanstral can leverage Lean’s verification capabilities to test and validate generated solutions through parallel inference processes. This approach helps ensure that AI-generated code adheres strictly to defined logical and mathematical requirements. The model supports integration with development tools and model communication protocols, enabling it to function within broader AI-assisted coding environments. Benchmarks demonstrate that Leanstral can outperform many large open-source models in proof engineering tasks while operating at a lower cost. Its design allows developers to automatically generate proofs, verify algorithms, and build mathematically sound software implementations. Released under the Apache 2.0 license, Leanstral can be downloaded, fine-tuned, and deployed in private infrastructure. By combining automated coding with formal verification, Leanstral represents a significant step toward building trustworthy AI systems for critical software and research applications.