DeepSeek V3.1
by DeepSeek
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 ba
Models
DeepSeek V3.1
Added 10 July 2026
Overview
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
How to use / API access
Call via OpenRouter with model id `deepseek/deepseek-chat-v3.1`.
- openrouter ·
deepseek/deepseek-chat-v3.1Docs
OpenRouter id: deepseek/deepseek-chat-v3.1
Benchmarks
- Intelligence Index (artificial-analysis): 13.7 index
- Design Arena 3d (other): 1077 elo · #97
- Design Arena codecategories (other): 1113 elo · #98
- Design Arena dataviz (other): 1097 elo · #100
- Design Arena gamedev (other): 1087 elo · #99
Notes
DeepSeek V3.1 is listed in the EDNA Models directory from the OpenRouter catalogue.
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