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Mistral Medium vs Grok 4 Fast

Mistral Mistral Medium vs xAI Grok 4 Fast — side-by-side specs.

Mistral
Mistral Medium
xAI
Grok 4 Fast
Overview
CompanyMistralxAI
Release dateDec 2023Sep 2025
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 640 days before Grok 4 Fast

Which is better: Mistral Medium or Grok 4 Fast?

Mistral Medium and Grok 4 Fast do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Medium shipped 640 days before Grok 4 Fast, 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 Fast released?
Grok 4 Fast was released by xAI on Sep 2025.

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