Qwen3-Coder

What is Qwen3-Coder?

Qwen3-Coder is an open source software released on July 23, 2025 by Ali Tongyi Qianwen.AI programmingIt is the world's first code model to realize the most agent-capable code model in code tasks, with 480B total parameters and 35B activation parameters. Its core architecture adopts the Mixed Expert (MoE) architecture, with 480B total parameters, 35B activation parameters, and native support for 256K token contexts (scalable to 1M). It is the world's first model to realize the open-source model SOTA (the industry's best) in code tasks, and its performance compares favorably with that of the closed-source model Claude Sonnet4 and exceeds that of GPT-4.1.

Qwen3-Coder has been open-sourced on platforms such as Magic Hitch and HuggingFace, and is available to developers worldwide for free download, commercialization, and secondary development. Qwen Code, a companion command-line tool, was launched by Ali to optimize the performance of Agentic Coding tasks and support collaboration with Claude Code, Cline, and other tools.

Core Features of Qwen3-Coder

1. Full Process Code Generation and Optimization
   • basic task: Write code, patch code, fix bugs, increase efficiency 10 times(e.g. the brand's official website generation time is compressed from several days to Five minutes.).
   • complex mission: Support for code testing, query generation, refactoring suggestions, manual writing time reduced from hours to few minutes.
   • Multi-language support: Coverage 100+ languages and dialects, adapting to globalized development needs.
2. Agentic Programming Capabilities
   • Autonomous planning: Ability to see the big picture and disassemble multi-step long tasks (e.g., developing AI search tools, 3D physics simulation systems).
   • Tool Call: Support for calling tools such as browsers, APIs, databases, etc. The number of measured tool calls is Multiples of Claude4..
   • Enhanced learning: Multi-round interactions (planning-execution-feedback-decision making) in real software engineering environments through large-scale Code Reinforcement Learning (Code RL) and Long-Horizon Reinforcement Learning (Long-Horizon RL).
3. Low-threshold programming experience
   • natural language interaction: Generate complex code in a single sentence (e.g., "Create a 3D rotating cube Visualizer"), lowering the barrier to entry for the average person.
   • AI Ambient Programming (Vibe Coding): No need to learn syntax, the requirements are described through natural language and the model automatically generates runnable code.

Qwen3-Coder's usage scenarios

1. Effective development for programmers
   • Rapid Prototyping: Rapidly generate code frameworks early in the project to accelerate iteration.
   • Code maintenance and review: Automatically detect code problems, provide refactoring suggestions, and improve code quality.
   • Cross-domain development: Support for web development, AI search, deep research, and other intelligent body applications to enhance development intelligence.
2. Enterprise Applications
   • Pharmaceutical industry: Accelerating drug molecular simulation and shortening development cycles.
   • service industry: Rapid development of intelligent control systems to optimize production processes.
   • financial industry: Automate the generation of trading strategy code to improve the efficiency of risk control.
3. Education and learning
   • Programming Instruction: Provide students with real-time instruction and feedback to aid in understanding programming concepts.
   • Skills upgrading: Helps beginners master programming skills quickly with hands-on examples.
4. Individual creative realization
   • 3D Physics Simulation: Generate complex physics effects (e.g. chimney removal simulation, cube rotation animation) in a single sentence.
   • Automation tool development: Rapidly build personal customization tools (e.g. API development process automation).

How to use Qwen3-Coder?

1. Model Acquisition and Deployment
   • Download model: from Magic Match Community, HuggingFace Download Qwen3-Coder and the companion tool Qwen Code for free.
   • local deployment: Use vLLM, Transformers, llama.cpp and other frameworks for rapid deployment, sample code:
   • API call: By Alibaba's hundreds of refinements The platform calls an API that supports synergy with tools such as Claude Code and Cline.
2. Task execution process
   • input requirement: Describe the task in natural language (e.g., "Generate a brand's official website with product displays and a contact form").
   • modeling: Qwen3-Coder automatically disassembles tasks and invokes tools (e.g., browsers, code editors) to execute subtasks.
   • Iterative optimization: Adjust the code based on feedback until the task goal is accomplished.
3. toolchain integration
   • Qwen Code: Ali open source command line tool to optimize Agentic Coding task performance .
   • SGLang/vLLM: Support intelligent tool invocation to enhance the efficiency of complex task processing.

Why do you recommend Qwen3-Coder?

1. Performance leadership and open source ecology friendly
   • Global Open Source Model Benchmarking: Best score for open source in the SWE-Bench (Self Planning Programming Task) review, with far more tool calls than Claude4.
   • full open source strategy: Attract global developers to build an ecosystem, break the monopoly of technology, and accelerate the bridging of the global digital divide.
2. Significant cost-effectiveness
   • API is inexpensive: Enter a price of $10/million TokensThe output price is $40/million TokensIt's only Claude4's 1/2 to 1/3.
   • Enterprise cost reduction and efficiency: Replaces expensive closed-source models and reducesAI Programming ToolsThreshold of use.
3. Technology Inclusion and Industry Transformation
   • Programmer role upgrade: Basic code work is taken over by AI, and programmers can focus on high-value areas such as algorithmic innovation and system architecture.
   • Global Technology Affirmation: For the first time, African and Latin American developers have access to the same tools as developed countries to accelerate the globalization of technological innovation.
4. Ali technology backing and ecological support
   • full-stack capability: AliCloud supports the digital transformation of 5 million enterprises around the world, providing a stable reasoning and deployment framework.
   • Industry Recognition: The Thousand Questions model series surpassed the number of global downloads 200 million timesThe company has been accessed and used by FAW Group, PetroChina and other enterprises.