List of the Top 25 AI Coding Models for OpenRouter in 2026

Claude is a powerful AI assistant designed by Anthropic to support problem-solving, creativity, and productivity across a wide range of use cases. It helps users write, edit, analyze, and code by combining conversational AI with advanced reasoning capabilities. Claude allows users to work on documents, software, graphics, and structured data directly within the chat experience. Through features like Artifacts, users can collaborate with Claude to iteratively build and refine projects. The platform supports file uploads, image understanding, and data visualization to enhance how information is processed and presented. Claude also integrates web search results into conversations to provide timely and relevant context. Available on web, iOS, and Android, Claude fits seamlessly into modern workflows. Multiple subscription tiers offer flexibility, from free access to high-usage professional and enterprise plans. Advanced models give users greater depth, speed, and reasoning power for complex tasks. Claude is built with enterprise-grade security and privacy controls to protect sensitive information. Anthropic prioritizes transparency and responsible scaling in Claude’s development. As a result, Claude is positioned as a trusted AI assistant for both everyday tasks and mission-critical work.

Gemini is Google’s next-generation AI assistant designed to deliver intelligent help across research, creativity, communication, and task management. Built on Google’s most advanced AI models, including Gemini 3, it helps users understand complex topics, generate content, and solve problems through natural conversation. Gemini enables text, image, and video generation, allowing users to quickly turn ideas into visual and written outputs. Its grounding in Google Search ensures responses are informed, relevant, and easy to explore further through follow-up questions. Gemini supports hands-free and conversational brainstorming through Gemini Live, making it useful for presentations, interviews, and idea development. With Deep Research, Gemini can analyze hundreds of sources and compile detailed reports in a fraction of the time. The platform connects directly to Google apps like Gmail, Docs, Calendar, Maps, and YouTube to streamline everyday workflows. Users can build personalized AI helpers using Gems by saving detailed instructions and uploaded files. Gemini’s long context window allows it to process large documents, code repositories, and research materials in a single session. Multiple plans provide flexibility, from free access for students and casual users to premium tiers with higher limits and advanced features. Gemini is available across web and mobile devices for seamless access. Designed to adapt to different needs, Gemini supports consumers, professionals, educators, and enterprises alike.

GPT-4o, with the "o" symbolizing "omni," marks a notable leap forward in human-computer interaction by supporting a variety of input types, including text, audio, images, and video, and generating outputs in these same formats. It boasts the ability to swiftly process audio inputs, achieving response times as quick as 232 milliseconds, with an average of 320 milliseconds, closely mirroring the natural flow of human conversations. In terms of overall performance, it retains the effectiveness of GPT-4 Turbo for English text and programming tasks, while significantly improving its proficiency in processing text in other languages, all while functioning at a much quicker rate and at a cost that is 50% less through the API. Moreover, GPT-4o demonstrates exceptional skills in understanding both visual and auditory data, outpacing the abilities of earlier models and establishing itself as a formidable asset for multi-modal interactions. This groundbreaking model not only enhances communication efficiency but also expands the potential for diverse applications across various industries. As technology continues to evolve, the implications of such advancements could reshape the future of user interaction in multifaceted ways.

Claude Sonnet 3.5 from Anthropic is a highly efficient AI model that excels in key areas like graduate-level reasoning (GPQA), undergraduate knowledge (MMLU), and coding proficiency (HumanEval). It significantly outperforms previous models in grasping nuance, humor, and following complex instructions, while producing content with a conversational and relatable tone. With a performance speed twice that of Claude Opus 3, this model is optimized for complex tasks such as orchestrating workflows and providing context-sensitive customer support.

Claude Sonnet 3.7, created by Anthropic, is an innovative AI model that brings a unique approach to problem-solving by balancing rapid responses with deep reflective reasoning. This hybrid capability allows users to toggle between quick, efficient answers for everyday tasks and more thoughtful, reflective responses for complex challenges. Its advanced reasoning capabilities make it ideal for tasks like coding, natural language processing, and critical thinking, where nuanced understanding is essential. The ability to pause and reflect before providing an answer helps Claude Sonnet 3.7 tackle intricate problems more effectively, offering professionals and organizations a powerful AI tool that adapts to their specific needs for both speed and accuracy.

Claude Code is an advanced AI coding assistant created to deeply understand and work within real software projects. Unlike traditional coding tools that focus on syntax or snippets, it comprehends entire repositories, dependencies, and architecture. Developers can interact with Claude Code directly from their terminal, IDE, Slack workspace, or the web interface. By using natural language prompts, users can ask Claude to explain unfamiliar code, refactor components, or implement new features. The tool performs agentic searches across the codebase to gather context automatically, removing the need to manually select files. This makes it especially valuable when joining new projects or working in large, complex repositories. Claude Code can also run CLI commands, tests, and scripts as part of its workflow. It integrates with version control platforms to help manage issues, commits, and pull requests. Teams benefit from faster iteration cycles and reduced context switching. Claude Code supports multiple powerful Claude models depending on the plan selected. Usage scales from short sprints to large, ongoing development efforts. Overall, it acts as a collaborative coding partner that enhances productivity without disrupting established workflows.

GPT-5.5 represents a new class of AI built to transform how work is done across digital environments. It combines advanced reasoning, tool usage, and task execution capabilities to manage complex, multi-step workflows with minimal human intervention. The model performs strongly in software engineering, data analysis, business operations, and scientific research, where it can plan tasks, gather information, test solutions, and refine outputs iteratively. It supports generating documents, building applications, analyzing large datasets, and navigating software systems as part of a unified workflow. A key capability is its integration with workspace agents—customizable AI agents that can be created once and deployed across teams to automate entire processes. These agents can run continuously, interact with tools like CRM systems, messaging platforms, and document editors, and keep workflows moving without constant supervision. Organizations can define permissions, approval checkpoints, and monitoring to maintain full control over automation. GPT-5.5 also improves collaboration by standardizing workflows and scaling best practices across teams. With enterprise-grade security and governance, it is designed for safe deployment in complex environments. Its ability to persist through ambiguity and long-running tasks makes it highly effective for execution-heavy work. By reducing manual intervention and increasing speed, GPT-5.5 enables teams to focus on higher-value activities and operate at a significantly higher level of productivity.

Grok Build 0.1 is a developer-focused AI model from xAI that has been specifically trained for agentic software engineering workflows. The model is designed to go beyond traditional code generation by supporting multi-step problem solving, planning, implementation, testing, and iterative refinement. It can process both text and image inputs, allowing developers to provide code snippets, architecture diagrams, screenshots, and technical documents as context. Grok Build 0.1 is optimized for interactive coding environments where AI agents need to perform complex actions across multiple stages of development. The model supports advanced capabilities such as tool calling, structured JSON outputs, and workflow automation, making it suitable for integration into modern engineering pipelines. With a 256,000-token context window, it can analyze large codebases and maintain awareness of extensive project histories. The platform is designed to work effectively with autonomous coding agents that require planning and reasoning abilities to complete sophisticated tasks. xAI has positioned the model as a successor to Grok Code Fast models, focusing on long-running development workflows rather than simple coding assistance. Grok Build 0.1 is available through API access, enabling organizations to incorporate its capabilities into custom applications and developer tools. Its architecture supports scenarios such as debugging, refactoring, code reviews, automation, and collaborative software development. The model helps developers increase productivity by providing AI assistance that can understand, reason about, and execute complex engineering tasks at scale.

GLM-5.2 is a powerful AI foundation model created to help developers and organizations handle advanced reasoning, coding, automation, and agent-based workflows. It is designed for complex system engineering tasks where an AI model needs to understand goals, follow multi-step instructions, and support technical execution. The model can be used for software development, code analysis, documentation support, research assistance, workflow automation, and intelligent application development. GLM-5.2 is especially valuable for long-context tasks because it can work with large amounts of information across extended prompts, files, or conversations. This makes it useful for reviewing large codebases, summarizing technical materials, generating structured outputs, and supporting detailed problem-solving. Its mixture-of-experts architecture helps deliver strong performance while using active model resources more efficiently. Development teams can use GLM-5.2 to improve productivity by reducing repetitive work and accelerating technical decision-making. Businesses can also use it to power AI assistants, internal automation tools, research platforms, and customer-facing intelligent systems. The model’s focus on agentic capabilities allows it to support workflows that require planning, reasoning, and task completion rather than basic response generation. GLM-5.2 can help organizations build smarter products while giving technical teams a more capable AI partner for demanding projects. It is a strong option for companies that want scalable AI support across engineering, research, automation, and digital transformation initiatives.

Google AI Plus is a consumer AI subscription service that expands access to Google’s Gemini-powered ecosystem of productivity, creative, research, and automation tools designed to help users work smarter, create content faster, and manage digital tasks more efficiently. Positioned between Google’s free AI offerings and higher-tier professional plans, Google AI Plus provides enhanced usage access to the Gemini app along with advanced AI capabilities including video generation, Daily Brief, multimodal content creation, AI-assisted workflows, and expanded interaction limits for Gemini-powered services. The plan includes access to Google Flow, an AI creative studio that enables users to generate cinematic scenes, stories, visual content, and AI-powered creative projects using Gemini Omni Flash and custom AI tools. Subscribers can also use Gemini directly inside Google products such as Gmail, Docs, Chrome, and additional Workspace applications to assist with writing, summarization, organization, research, brainstorming, browsing, and content generation tasks. Google AI Plus strengthens research and information management through NotebookLM, Google’s AI-powered research assistant that helps users organize notes, generate summaries, create audio overviews, and extract insights from uploaded information sources. The subscription additionally includes more AI-powered search access, enhanced model availability, and greater interaction limits compared to the free Gemini tier, allowing users to work with more advanced capabilities for longer sessions and more demanding workflows. Google AI Plus also provides 200 GB of cloud storage shared across Google Drive, Gmail, and Google Photos, helping users manage files, AI-generated content, and digital assets within Google’s cloud ecosystem.

A streamlined model that excels in both text comprehension and multimodal reasoning abilities. The GPT-4o mini has been crafted to efficiently manage a vast range of tasks, characterized by its affordability and quick response times, which make it particularly suitable for scenarios requiring the simultaneous execution of multiple model calls, such as activating various APIs at once, analyzing large sets of information like complete codebases or lengthy conversation histories, and delivering prompt, real-time text interactions for customer support chatbots. At present, the API for GPT-4o mini supports both textual and visual inputs, with future enhancements planned to incorporate support for text, images, videos, and audio. This model features an impressive context window of 128K tokens and can produce outputs of up to 16K tokens per request, all while maintaining a knowledge base that is updated to October 2023. Furthermore, the advanced tokenizer utilized in GPT-4o enhances its efficiency in handling non-English text, thus expanding its applicability across a wider range of uses. Consequently, the GPT-4o mini is recognized as an adaptable resource for developers and enterprises, making it a valuable asset in various technological endeavors. Its flexibility and efficiency position it as a leader in the evolving landscape of AI-driven solutions.

Gemini 2.0 is an advanced AI model developed by Google, designed to bring transformative improvements in natural language understanding, reasoning capabilities, and multimodal communication. This latest iteration builds on the foundations of its predecessor by integrating comprehensive language processing with enhanced problem-solving and decision-making abilities, enabling it to generate and interpret responses that closely resemble human communication with greater accuracy and nuance. Unlike traditional AI systems, Gemini 2.0 is engineered to handle multiple data formats concurrently, including text, images, and code, making it a versatile tool applicable in domains such as research, business, education, and the creative arts. Notable upgrades in this version comprise heightened contextual awareness, reduced bias, and an optimized framework that ensures faster and more reliable outcomes. As a major advancement in the realm of artificial intelligence, Gemini 2.0 is poised to transform human-computer interactions, opening doors for even more intricate applications in the coming years. Its groundbreaking features not only improve the user experience but also encourage deeper and more interactive engagements across a variety of sectors, ultimately fostering innovation and collaboration. This evolution signifies a pivotal moment in the development of AI technology, promising to reshape how we connect and communicate with machines.

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 4.1 Fast is xAI’s state-of-the-art tool-calling model built to meet the needs of modern enterprise agents that require long-context reasoning, fast inference, and reliable real-world performance. It supports an expansive 2-million-token context, allowing it to maintain coherence during extended conversations, research tasks, or multi-step workflows without losing accuracy. xAI trained the model using real-world simulated environments and broad tool exposure, resulting in extremely strong benchmark performance across telecom, customer support, and autonomy-driven evaluations. When integrated with the Agent Tools API, Grok can combine web search, X search, document retrieval, and code execution to produce final answers grounded in real-time data. The model automatically determines when to call tools, how to plan tasks, and which steps to execute, making it capable of acting as a fully autonomous agent. Its tool-calling precision has been validated through multiple independent evaluations, including the Berkeley Function Calling v4 benchmark. Long-horizon reinforcement learning allows it to maintain performance even across millions of tokens, which is a major improvement over previous generations. These strengths make Grok 4.1 Fast especially valuable for enterprises that rely on automation, knowledge retrieval, or multi-step reasoning. Its low operational cost and strong factual correctness give developers a practical way to deploy high-performance agents at scale. With robust documentation, free introductory access, and native integration with the X ecosystem, Grok 4.1 Fast enables a new class of powerful AI-driven applications.

GPT-5.1 Pro represents the top tier of OpenAI’s GPT-5 generation, delivering the most advanced reasoning, depth, and analytical intelligence available in ChatGPT. It is optimized for high-stakes, high-complexity scenarios where rigorous logic and verifiable accuracy are essential. Professionals use GPT-5.1 Pro for scientific research, large-scale codebases, legal reasoning, quantitative finance, data analysis, and multi-step decision workflows that exceed the capabilities of general models. With a significantly expanded context window, GPT-5.1 Pro can ingest and analyze long documents, datasets, transcripts, and multi-file projects in a single session. The model’s reasoning engine is tuned for deeper internal deliberation, enabling structured explanations, defensible conclusions, and clearer thought processes. GPT-5.1 Pro also features enhanced adherence to instructions, producing responses that are more predictable, consistent, and aligned with user goals. Compared to Instant and Thinking modes, it is built for reliability rather than speed, prioritizing quality of reasoning over quick output. While it supports most ChatGPT tools, it is intentionally restricted from Canvas and image generation to preserve dedicated compute for reasoning-heavy tasks. GPT-5.1 Pro is exclusive to ChatGPT Pro and Business subscribers, offering unlimited access within standard safety guardrails. It is the model tier best suited for users who depend on ChatGPT as a trusted research partner and analytical assistant.

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.

The Gemini 1.5 Pro AI model stands as a leading achievement in the realm of language modeling, crafted to deliver incredibly accurate, context-aware, and human-like responses that are suitable for numerous applications. Its cutting-edge neural architecture empowers it to excel in a variety of tasks related to natural language understanding, generation, and logical reasoning. This model has been carefully optimized for versatility, enabling it to tackle a wide array of functions such as content creation, software development, data analysis, and complex problem-solving. With its advanced algorithms, it possesses a profound grasp of language, facilitating smooth transitions across different fields and conversational styles. Emphasizing both scalability and efficiency, the Gemini 1.5 Pro is structured to meet the needs of both small projects and large enterprise implementations, positioning itself as an essential tool for boosting productivity and encouraging innovation. Additionally, its capacity to learn from user interactions significantly improves its effectiveness, rendering it even more efficient in practical applications. This continuous enhancement ensures that the model remains relevant and useful in an ever-evolving technological landscape.

Grok Code Fast 1 is the latest model in the Grok family, engineered to deliver fast, economical, and developer-friendly performance for agentic coding. Recognizing the inefficiencies of slower reasoning models, the team at xAI built it from the ground up with a fresh architecture and a dataset tailored to software engineering. Its training corpus combines programming-heavy pre-training with real-world code reviews and pull requests, ensuring strong alignment with actual developer workflows. The model demonstrates versatility across the development stack, excelling at TypeScript, Python, Java, Rust, C++, and Go. In performance tests, it consistently outpaces competitors with up to 190 tokens per second, backed by caching optimizations that achieve over 90% hit rates. Integration with launch partners like GitHub Copilot, Cursor, Cline, and Roo Code makes it instantly accessible for everyday coding tasks. Grok Code Fast 1 supports everything from building new applications to answering complex codebase questions, automating repetitive edits, and resolving bugs in record time. The cost structure is intentionally designed to maximize accessibility, at just $0.20 per million input tokens and $1.50 per million outputs. Real-world human evaluations complement benchmark scores, confirming that the model performs reliably in day-to-day software engineering. For developers, teams, and platforms, Grok Code Fast 1 offers a future-ready solution that blends speed, affordability, and practical coding intelligence.

GLM-5 is Z.ai’s most advanced open-source model to date, purpose-built for complex systems engineering, long-horizon planning, and autonomous agent workflows. Building on the foundation of GLM-4.5, it dramatically scales both total parameters and pre-training data while increasing active parameter efficiency. The integration of DeepSeek Sparse Attention allows GLM-5 to maintain strong long-context reasoning capabilities while reducing deployment costs. To improve post-training performance, Z.ai developed slime, an asynchronous reinforcement learning infrastructure that significantly boosts training throughput and iteration speed. As a result, GLM-5 achieves top-tier performance among open-source models across reasoning, coding, and general agent benchmarks. It demonstrates exceptional strength in long-term operational simulations, including leading results on Vending Bench 2, where it manages a year-long simulated business with strong financial outcomes. In coding evaluations such as SWE-bench and Terminal-Bench 2.0, GLM-5 delivers competitive results that narrow the gap with proprietary frontier systems. The model is fully open-sourced under the MIT License and available through Hugging Face, ModelScope, and Z.ai’s developer platforms. Developers can deploy GLM-5 locally using inference frameworks like vLLM and SGLang, including support for non-NVIDIA hardware through optimization and quantization techniques. Through Z.ai, users can access both Chat Mode for fast interactions and Agent Mode for tool-augmented, multi-step task execution. GLM-5 also enables structured document generation, producing ready-to-use .docx, .pdf, and .xlsx files for business and academic workflows. With compatibility across coding agents and cross-application automation frameworks, GLM-5 moves foundation models from conversational assistants toward full-scale work engines.

GLM-5.1 marks the newest evolution in Z.ai’s GLM lineup, designed as a state-of-the-art AI model focused on agents, specifically for tasks involving coding, logical reasoning, and overseeing long-term processes. This version builds on the foundation set by GLM-5, which utilizes a Mixture-of-Experts (MoE) framework to maximize performance while keeping inference costs low, supporting a broader vision of making weight models available to developers. A key feature of GLM-5.1 is its ability to promote agentic behavior, enabling it to plan, execute, and enhance multi-step tasks rather than just responding to single prompts. The model is meticulously crafted to handle complex workflows, such as troubleshooting code, navigating repositories, and conducting sequential tasks, all while preserving context over extended periods. Compared to earlier models, GLM-5.1 provides improved reliability during prolonged interactions, ensuring consistency throughout longer sessions and reducing errors in multi-step reasoning tasks. Furthermore, this advancement represents a significant step forward in the realm of AI, especially in its proficiency for managing intricate task workflows with ease. With its innovative features, GLM-5.1 sets a new standard for what agent-focused AI can achieve in practical applications.

We have integrated Llama 3 into Meta AI, our smart assistant that transforms the way people perform tasks, innovate, and interact with technology. By leveraging Meta AI for coding and troubleshooting, users can directly experience the power of Llama 3. Whether you are developing agents or other AI-based solutions, Llama 3, which is offered in both 8B and 70B variants, delivers the essential features and adaptability needed to turn your concepts into reality. In conjunction with the launch of Llama 3, we have updated our Responsible Use Guide (RUG) to provide comprehensive recommendations on the ethical development of large language models. Our approach focuses on enhancing trust and safety measures, including the introduction of Llama Guard 2, which aligns with the newly established taxonomy from MLCommons and expands its coverage to include a broader range of safety categories, alongside code shield and Cybersec Eval 2. Moreover, these improvements are designed to promote a safer and more responsible application of AI technologies across different fields, ensuring that users can confidently harness these innovations. The commitment to ethical standards reflects our dedication to fostering a secure and trustworthy AI environment.

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.

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.

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.