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

Codestral 22B vs GPT-5-Codex-Mini

Mistral
Codestral 22B
OpenAI
GPT-5-Codex-Mini
Overview
CompanyMistralOpenAI
Release dateMay 29 2024Nov 8 2025
AccessProprietaryProprietary
Timeline
Release gapCodestral 22B shipped 528 days before GPT-5-Codex-Mini

Which is better: Codestral 22B or GPT-5-Codex-Mini?

Codestral 22B and GPT-5-Codex-Mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 22B shipped 528 days before GPT-5-Codex-Mini, 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 GPT-5-Codex-Mini don't publish scores on any of the same benchmarks.

Frequently asked questions

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

GPT-5-Codex-Mini was released by OpenAI on Nov 8 2025.

Other comparisons