DeepSeek published the open-weight model files for DeepSeek-V4.1-Flash-1017 on Hugging Face and ModelScope on October 17, 2026

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From the articleDeepseek V4.1 Flash 1017 beats larger rivals in agentic tasks while once again massively cutting per-task costs

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Deepseek V4.1 Flash 1017 beats larger rivals in agentic tasks while once again massively cutting per-task costs