Qwen3 Coder 480B A35B Instruct

Qwen3-Coder-480B-A35B-Instruct is the flagship release of Alibaba's Qwen3-Coder family, introduced by the Qwen team as their most agentic code model to date. The Qwen team's announcement frames this variant as the most powerful entry in the Qwen3-Coder lineup, positioning it for workflows that go beyond single-prompt code generation toward longer, multi-step programming tasks handled by an agent. As the largest open release in the Qwen3-Coder series, it is meant for developers who want a self-hosted alternative for code-oriented applications rather than relying on smaller coding assistants.

The model uses a Mixture-of-Experts architecture with 480 billion total parameters, of which 35 billion are active on any given forward pass, a design that aims to balance large-model capacity with the inference efficiency needed for interactive coding. The Qwen announcement emphasizes that it is built for agentic coding, supporting tool calling and extended reasoning across long contexts, which makes it a practical fit for autonomous programming pipelines, repository-scale refactors, and other tasks where a model must plan, call external tools, and maintain state across many turns. For practitioners, this combination of MoE scale and agentic focus signals a model aimed squarely at software engineering agents rather than general chat.