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Mistral Medium 3 vs GPT-4o

Mistral Mistral Medium 3 vs OpenAI GPT-4o — side-by-side specs.

Mistral
Mistral Medium 3
OpenAI
GPT-4o
Overview
CompanyMistralOpenAI
Release dateMay 7 2025May 13 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGPT-4o shipped 359 days before Mistral Medium 3

Which is better: Mistral Medium 3 or GPT-4o?

Mistral Medium 3 and GPT-4o do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. GPT-4o shipped 359 days before Mistral Medium 3, 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 Mistral Medium 3 released?
Mistral Medium 3 was released by Mistral on May 7 2025.
When was GPT-4o released?
GPT-4o was released by OpenAI on May 13 2024.

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