DeepSeek V3.1 Terminus

Overview

DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...

How to use / API access

Call via OpenRouter with model id `deepseek/deepseek-v3.1-terminus`.

• openrouter · deepseek/deepseek-v3.1-terminus Docs

OpenRouter id: deepseek/deepseek-v3.1-terminus

Benchmarks

• Intelligence Index (artificial-analysis) : 30.4 index
• Coding Index (artificial-analysis) : 43.5 index
• Agentic Index (artificial-analysis) : 18.1 index
• Design Arena 3d (other) : 1207 elo · #43
• Design Arena codecategories (other) : 1212 elo · #43
• Design Arena dataviz (other) : 1199 elo · #50
• Design Arena gamedev (other) : 1189 elo · #56

Notes

DeepSeek V3.1 Terminus is listed in the EDNA Models directory from the OpenRouter catalogue.