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DeepSeek-V3.2 vs Mistral Medium 3.5

DeepSeek DeepSeek-V3.2 vs Mistral Mistral Medium 3.5 — side-by-side specs.

DeepSeek
DeepSeek-V3.2
Mistral
Mistral Medium 3.5
Overview
CompanyDeepSeekMistral
Release dateDec 1 2025Apr 30 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek-V3.2 shipped 150 days before Mistral Medium 3.5

Which is better: DeepSeek-V3.2 or Mistral Medium 3.5?

DeepSeek-V3.2 and Mistral Medium 3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek-V3.2 shipped 150 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

DeepSeek-V3.2 is an open-source / open-weight model; Mistral Medium 3.5 is proprietary.

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-V3.2 released?
DeepSeek-V3.2 was released by DeepSeek on Dec 1 2025.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.
Is DeepSeek-V3.2 or Mistral Medium 3.5 open source?
DeepSeek-V3.2 is an open-source / open-weight model released by DeepSeek. Mistral Medium 3.5 is a proprietary model released by Mistral.

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