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
- Design Arena 3d (other) : 1144 elo · #68
- Design Arena codecategories (other) : 1149 elo · #72
- Design Arena dataviz (other) : 1135 elo · #73
- Design Arena gamedev (other) : 1143 elo · #69
Notes
DeepSeek V3.1 is listed in the EDNA Models directory from the OpenRouter catalogue.
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