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Mistral Small 3.1 vs Grok 3

Mistral Mistral Small 3.1 vs xAI Grok 3 — side-by-side specs.

Mistral
Mistral Small 3.1
xAI
Grok 3
Overview
CompanyMistralxAI
Release dateMar 17 2025Feb 17 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGrok 3 shipped 28 days before Mistral Small 3.1

Which is better: Mistral Small 3.1 or Grok 3?

Mistral Small 3.1 and Grok 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 3 shipped 28 days before Mistral Small 3.1, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; Grok 3 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.1 and Grok 3 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mistral Small 3.1 released?
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
When was Grok 3 released?
Grok 3 was released by xAI on Feb 17 2025.
Is Mistral Small 3.1 or Grok 3 open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. Grok 3 is a proprietary model released by xAI.

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