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Mistral Small vs Grok 4.3 Beta

Mistral Mistral Small vs xAI Grok 4.3 Beta — side-by-side specs.

Mistral
Mistral Small
xAI
Grok 4.3 Beta
Overview
CompanyMistralxAI
Release dateFeb 26 2024Apr 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 Small shipped 781 days before Grok 4.3 Beta

Which is better: Mistral Small or Grok 4.3 Beta?

Mistral Small and Grok 4.3 Beta do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small shipped 781 days before Grok 4.3 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 Small released?
Mistral Small was released by Mistral on Feb 26 2024.
When was Grok 4.3 Beta released?
Grok 4.3 Beta was released by xAI on Apr 17 2026.

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