Simon Willison 8/16/2026

Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things

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Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things 16th August 2026 Friday’s big release was Qwen 3.8 27B, an Apache 2 licensed 27B parameter vision-capable LLM from Alibaba’s Qwen research lab. I’ve been looking forward to this one: 27B is an excellent size for running a model on a reasonably specced laptop, and its predecessor Qwen 3.6 27B was impressive. Qwen’s self-report

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Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things

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