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Mistral Medium vs Grok 4.20 Beta

Mistral Mistral Medium vs xAI Grok 4.20 Beta — side-by-side specs.

Mistral
Mistral Medium
xAI
Grok 4.20 Beta
Overview
CompanyMistralxAI
Release dateDec 2023Feb 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
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 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

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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