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

Mistral Medium 3 vs o4-mini

Mistral
Mistral Medium 3
OpenAI
o4-mini
Overview
CompanyMistralOpenAI
Release dateMay 7 2025Apr 16 2025
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapo4-mini shipped 21 days before Mistral Medium 3

Which is better: Mistral Medium 3 or o4-mini?

Mistral Medium 3 and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o4-mini shipped 21 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 — Mistral Medium 3 and o4-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Medium 3 was released by Mistral on May 7 2025.

o4-mini was released by OpenAI on Apr 16 2025.

Other comparisons