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Alibaba releases Qwen3-Coder, a 480-billion parameter open-source coding model with agentic capabilities

Model release Provisional 95% confidence first seen

Alibaba released Qwen3-Coder, an open-source AI model designed for coding tasks with 480 billion total parameters and 35 billion active parameters, supporting context windows up to 256,000 tokens natively. The model achieved state-of-the-art performance on agentic coding benchmarks with capabilities comparable to Claude Sonnet 4, and is now available on Together AI's platform for deployment.

Alibaba Qwen3-Coder Qwen3-Coder-480B Claude Sonnet 4 Together AI

Source coverage

Qwen3-Coder: Agentic Coding in the World GitHub Pages Qwen3-Coder: The Most Capable Agentic Coding Model Now Available on Together AI Together AI

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