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DeepSeek R1-0528 vs Mistral Medium 3

DeepSeek DeepSeek R1-0528 vs Mistral Mistral Medium 3 — side-by-side specs.

DeepSeek
DeepSeek R1-0528
Mistral
Mistral Medium 3
Overview
CompanyDeepSeekMistral
Release dateMay 28 2025May 7 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Medium 3 shipped 21 days before DeepSeek R1-0528

Which is better: DeepSeek R1-0528 or Mistral Medium 3?

DeepSeek R1-0528 and Mistral Medium 3 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Medium 3 shipped 21 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 is an open-source / open-weight model; Mistral Medium 3 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 R1-0528 released?
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
When was Mistral Medium 3 released?
Mistral Medium 3 was released by Mistral on May 7 2025.
Is DeepSeek R1-0528 or Mistral Medium 3 open source?
DeepSeek R1-0528 is an open-source / open-weight model released by DeepSeek. Mistral Medium 3 is a proprietary model released by Mistral.

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