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

Mistral Medium vs Grok 4.5

Mistral
Mistral Medium
SpaceXAI
Grok 4.5
Overview
CompanyMistralSpaceXAI
Release dateDec 2023Jul 8 2026
AccessProprietaryProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
64.7%
Multilingual coding
SWE-Bench Multilingual
78%
Agentic coding
DeepSWE 1.0
62%
Agentic terminal coding
Terminal-Bench 2.1
83.3%
Timeline
Release gapMistral Medium shipped 950 days before Grok 4.5

Which is better: Mistral Medium or Grok 4.5?

Mistral Medium and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 950 days before Grok 4.5, 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 and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Medium was released by Mistral on Dec 2023.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

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