DeepSeek releases hybrid-reasoning DeepSeek-V3.1
DeepSeek released V3.1 with switchable thinking and non-thinking modes, stronger tool use and agent capabilities, an API and public model weights.
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Why it moved the index
Public weights and improved tool use for an exact hybrid-reasoning checkpoint materially expanded accessible agentic capability and diffusion.
Assessment history
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R1
Toward 54 · confidence 92
New exact August 2025 model release with authoritative repository timestamp and no durable collision.
12 Aug 2026
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DoomBench assesses “DeepSeek releases hybrid-reasoning DeepSeek-V3.1” as evidence moving toward doom, with magnitude 54 and confidence 92 out of 100 in the autonomy and agency category.
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The DoomBench assessment of “DeepSeek releases hybrid-reasoning DeepSeek-V3.1” is based on reporting from DeepSeek and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “DeepSeek releases hybrid-reasoning DeepSeek-V3.1” as follows: DeepSeek released V3.1 with switchable thinking and non-thinking modes, stronger tool use and agent capabilities, an API and public model weights.
https://www.doombench.com/news/deepseek-releases-hybrid-reasoning-deepseek-v3-1-2025-08-21