Qwen3-Coder is Alibaba's latest open-source AI model, designed to revolutionize software development with its advanced capabilities. This 480-billion-parameter Mixture-of-Experts (MoE) model, with 35 billion active parameters, excels in agentic coding tasks, enabling autonomous handling of complex programming challenges. It achieves state-of-the-art results on benchmarks like SWE-bench, demonstrating its proficiency in real-world software engineering problems. Supporting context lengths up to 1 million tokens, Qwen3-Coder is equipped with the open-source CLI tool, Qwen Code, facilitating seamless integration into development workflows. This model sets a new benchmark in open-source AI, combining extensive parameterization with advanced agentic capabilities to enhance coding efficiency and effectiveness.