AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/Magistral Medium vs o3

Magistral Medium vs o3

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

Mistral
Magistral Medium
OpenAI
o3
Overview
CompanyMistralOpenAI
Release dateJun 10 2025Apr 16 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapo3 shipped 55 days before Magistral Medium

Which is better: Magistral Medium or o3?

Magistral Medium and o3 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. o3 shipped 55 days before Magistral Medium, 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 Magistral Medium released?
Magistral Medium was released by Mistral on Jun 10 2025.
When was o3 released?
o3 was released by OpenAI on Apr 16 2025.

Other comparisons