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DeepSeek V3.1 Terminus vs Codestral Mamba 7B

DeepSeek DeepSeek V3.1 Terminus vs Mistral Codestral Mamba 7B — side-by-side specs.

DeepSeek
DeepSeek V3.1 Terminus
Mistral
Codestral Mamba 7B
Overview
CompanyDeepSeekMistral
Release dateSep 22 2025Jul 16 2024
Model type
Open sourceYesYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapCodestral Mamba 7B shipped 433 days before DeepSeek V3.1 Terminus

Which is better: DeepSeek V3.1 Terminus or Codestral Mamba 7B?

DeepSeek V3.1 Terminus and Codestral Mamba 7B do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Codestral Mamba 7B shipped 433 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was DeepSeek V3.1 Terminus released?
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
When was Codestral Mamba 7B released?
Codestral Mamba 7B was released by Mistral on Jul 16 2024.

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