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DeepSeek V3.1 Terminus vs Magistral Small

DeepSeek DeepSeek V3.1 Terminus vs Mistral Magistral Small — side-by-side specs.

DeepSeek
DeepSeek V3.1 Terminus
Mistral
Magistral Small
Overview
CompanyDeepSeekMistral
Release dateSep 22 2025Jun 10 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMagistral Small shipped 104 days before DeepSeek V3.1 Terminus

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

DeepSeek V3.1 Terminus and Magistral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Magistral Small shipped 104 days before DeepSeek V3.1 Terminus, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 Terminus is an open-source / open-weight model; Magistral Small is proprietary.

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

Frequently asked questions

When was DeepSeek V3.1 Terminus released?
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
When was Magistral Small released?
Magistral Small was released by Mistral on Jun 10 2025.
Is DeepSeek V3.1 Terminus or Magistral Small open source?
DeepSeek V3.1 Terminus is an open-source / open-weight model released by DeepSeek. Magistral Small is a proprietary model released by Mistral.

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