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DeepSeek V2 vs Mistral Medium 3.5

0 vs 1 benchmarks won

DeepSeek
DeepSeek V2
Mistral
Mistral Medium 3.5
Overview
CompanyDeepSeekMistral
Release dateMay 2024Apr 29 2026
Model type
Open sourceYesYes
Specifications
Parameters
128B
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
77.6%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V2 shipped 728 days before Mistral Medium 3.5

Which is better: DeepSeek V2 or Mistral Medium 3.5?

Mistral Medium 3.5 leads DeepSeek V2 on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V2 shipped 728 days before Mistral Medium 3.5, 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 V2 released?
DeepSeek V2 was released by DeepSeek on May 2024.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 29 2026.

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