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Simon Willison's[4] post dated 29 July 2025 quotes Qwen's tweet announcing Qwen3-30B-A3B-Instruct-2507 and runs it that day, and OpenRouter[5] lists it as "Released Jul 29, 2025"; Qwen's own repository log dates it 2025.07.30 (the Beijing date), so sources differ by one day.Alibaba's Qwen team releases Qwen3-30B-A3B-Instruct-2507, a non-thinking 30.5B mixture-of-experts model with only 3.3B active parameters and a 262K context that Qwen says approaches GPT-4o.
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