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

Mistral Medium vs GPT-5 nano

Mistral
Mistral Medium
OpenAI
GPT-5 nano
Overview
CompanyMistralOpenAI
Release dateDec 2023Aug 7 2025
AccessProprietaryProprietary
Timeline
Release gapMistral Medium shipped 615 days before GPT-5 nano

Which is better: Mistral Medium or GPT-5 nano?

Mistral Medium and GPT-5 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 615 days before GPT-5 nano, 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 GPT-5 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Medium was released by Mistral on Dec 2023.

GPT-5 nano was released by OpenAI on Aug 7 2025.

Other comparisons