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Magistral Small vs o3-pro

Mistral Magistral Small vs OpenAI o3-pro — side-by-side specs.

Mistral
Magistral Small
OpenAI
o3-pro
Overview
CompanyMistralOpenAI
Release dateJun 10 2025Jun 10 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapReleased on the same day

Which is better: Magistral Small or o3-pro?

Magistral Small and o3-pro do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Both models were released on the same day — Jun 10 2025.

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 Magistral Small released?
Magistral Small was released by Mistral on Jun 10 2025.
When was o3-pro released?
o3-pro was released by OpenAI on Jun 10 2025.

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