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

Mistral Small 4 vs o3-mini

Mistral
Mistral Small 4
OpenAI
o3-mini
Overview
CompanyMistralOpenAI
Release dateMar 16 2026Jan 31 2025
AccessProprietaryProprietary
Timeline
Release gapo3-mini shipped 409 days before Mistral Small 4

Which is better: Mistral Small 4 or o3-mini?

Mistral Small 4 and o3-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o3-mini shipped 409 days before Mistral Small 4, 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 Small 4 and o3-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Small 4 was released by Mistral on Mar 16 2026.

o3-mini was released by OpenAI on Jan 31 2025.

Other comparisons