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DeepSeek V3.1 Terminus

by DeepSeek

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, inc

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DeepSeek V3.1 Terminus

Added 10 July 2026

#deepseek

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) : 1216 elo · #39
  • Design Arena codecategories (other) : 1219 elo · #40
  • Design Arena dataviz (other) : 1205 elo · #47
  • Design Arena gamedev (other) : 1196 elo · #53

Notes

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

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