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Hugging Face (deepseek-ai) ·

DeepSeek-V4.1-Flash-1017 ships MIT open weights with big Terminal-Bench and DeepSWE gains

DeepSeek's Oct 17 update to V4.1-Flash (763B params, 1M context, MIT license) raises Terminal-Bench 4.0 from 31.2 to 42.3 and DeepSWE v1.1 from 74.2 to 77.0 in its own tests, while finishing tasks faster with shorter outputs. It's on DeepSeek's API and app, plus Vercel AI Gateway as deepseek/deepseek-v4.1-flash-1017.

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