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Mistral Medium vs o3-pro

Mistral Mistral Medium vs OpenAI o3-pro — side-by-side specs.

Mistral
Mistral Medium
OpenAI
o3-pro
Overview
CompanyMistralOpenAI
Release dateDec 2023Jun 10 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMistral Medium shipped 557 days before o3-pro

Which is better: Mistral Medium or o3-pro?

Mistral Medium and o3-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 557 days before o3-pro, 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 — Mistral Medium and o3-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mistral Medium released?
Mistral Medium was released by Mistral on Dec 2023.
When was o3-pro released?
o3-pro was released by OpenAI on Jun 10 2025.

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