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

Codestral 22B vs Grok 4.5

Mistral
Codestral 22B
SpaceXAI
Grok 4.5
Overview
CompanyMistralSpaceXAI
Release dateMay 29 2024Jul 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 gapCodestral 22B shipped 770 days before Grok 4.5

Which is better: Codestral 22B or Grok 4.5?

Codestral 22B and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 22B shipped 770 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 — Codestral 22B and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Codestral 22B was released by Mistral on May 29 2024.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

Other comparisons