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Magistral Medium vs Grok 4.20 Beta

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

Mistral
Magistral Medium
xAI
Grok 4.20 Beta
Overview
CompanyMistralxAI
Release dateJun 10 2025Feb 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 gapMagistral Medium shipped 252 days before Grok 4.20 Beta

Which is better: Magistral Medium or Grok 4.20 Beta?

Magistral Medium and Grok 4.20 Beta do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Magistral Medium shipped 252 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 Magistral Medium released?
Magistral Medium was released by Mistral on Jun 10 2025.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.

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