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

Mistral Medium vs Grok 4.20 Beta

Mistral
Mistral Medium
xAI
Grok 4.20 Beta
Overview
CompanyMistralxAI
Release dateDec 2023Feb 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMistral Medium shipped 809 days before Grok 4.20 Beta

Which is better: Mistral Medium or Grok 4.20 Beta?

Mistral Medium and Grok 4.20 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 809 days before Grok 4.20 Beta, 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 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mistral Medium released?
Mistral Medium was released by Mistral on Dec 2023.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.

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