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

Mistral Medium 3 vs Grok 4 Heavy

Mistral
Mistral Medium 3
SpaceXAI
Grok 4 Heavy
Overview
CompanyMistralSpaceXAI
Release dateMay 7 2025Jul 9 2025
AccessProprietaryProprietary
Timeline
Release gapMistral Medium 3 shipped 63 days before Grok 4 Heavy

Which is better: Mistral Medium 3 or Grok 4 Heavy?

Mistral Medium 3 and Grok 4 Heavy don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium 3 shipped 63 days before Grok 4 Heavy, 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 Grok 4 Heavy don't publish scores on any of the same benchmarks.

Frequently asked questions

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

Grok 4 Heavy was released by SpaceXAI on Jul 9 2025.

Other comparisons