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DeepSeek V3.2 Exp vs Mistral Medium 3.5

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

DeepSeek
DeepSeek V3.2 Exp
Mistral
Mistral Medium 3.5
Overview
CompanyDeepSeekMistral
Release dateSep 29 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 Exp shipped 213 days before Mistral Medium 3.5

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

DeepSeek V3.2 Exp and Mistral Medium 3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V3.2 Exp shipped 213 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.2 Exp 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 Exp released?
DeepSeek V3.2 Exp was released by DeepSeek on Sep 29 2025.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.
Is DeepSeek V3.2 Exp or Mistral Medium 3.5 open source?
DeepSeek V3.2 Exp 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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