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Qwen Research releases Qwen 3.8 27B and publishes benchmark and usage observations

Model release Provisional 85% confidence first seen

Qwen Research released the Qwen 3.8 27B model. Coverage reports that testing found the model’s default reasoning settings can lead to very slow, off-target outputs when using large context, and it also cites an Artificial Analysis Intelligence Index score of 52.

Artificial Analysis Intelligence Index Qwen 3.8 27B Qwen Research Alibaba Apache 2 DeepSeek V4 Pro 0813 (max) GLM-5.2 (max) GPT-5.6 Luna (max) Hacker News LM Studio Qwen 3.6 27B Qwen 3.7-Plus llama-server

Source coverage

Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things Simon Willison’s Weblog industry analysis Qwen 3.8 27B scores 52 on the Artificial Analysis Intelligence Index Simon Willison’s Weblog industry analysis

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