# Qwen3-Coder-480B-A35B: open MoE model for agentic coding

> Qwen released Qwen3-Coder, a 480B-parameter Mixture-of-Experts model with 35B active parameters, achieving state-of-the-art results among open models on agentic coding, browser-use, and tool-use benchmarks, described as comparable to Claude Sonnet 4.

| | |
|---|---|
| **Tool** | Qwen |
| **Version** | — |
| **Kind** | announcement |
| **Published** | 2025-07-22 |
| **Observed** | 2026-08-11 |
| **Significance** | 4/5 |
| **Breaking** | no |
| **Categories** | feature, new-model, capability, model-support |

## What changed


- 480B total parameters, 35B active (MoE architecture)
- Native 256K token context, supports up to 1M with extrapolation
- SOTA among open models on Agentic Coding, Agentic Browser-Use, and Agentic Tool-Use
- Available in multiple sizes; the 480B Instruct variant is the first released


## Sources

- [blog_rss](https://qwenlm.github.io/blog/qwen3-coder/) — retrieved 2026-08-11


## Community

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---
Canonical: https://changelogs.info/qwen/qwen3-coder-480b-a35b-open-moe-model-for-agentic-coding
Entity: https://changelogs.info/qwen
Event ID: `evt_2025-07-22_qwen_qwen3-coder-agentic-coding-in-the-world`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.