AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

DeepSeek V3.1 Terminus vs Devstral Small

DeepSeek
DeepSeek V3.1 Terminus
Mistral
Devstral Small
Overview
CompanyDeepSeekMistral
Release dateSep 22 2025May 21 2025
AccessOpen WeightOpen Weight
Specifications
Parameters
24B
Timeline
Release gapDevstral Small shipped 124 days before DeepSeek V3.1 Terminus

Which is better: DeepSeek V3.1 Terminus or Devstral Small?

DeepSeek V3.1 Terminus and Devstral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Devstral Small shipped 124 days before DeepSeek V3.1 Terminus, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — DeepSeek V3.1 Terminus and Devstral Small don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.

Devstral Small was released by Mistral on May 21 2025.

Other comparisons