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Mistral Small 3.1 vs Grok 4

Mistral Mistral Small 3.1 vs xAI Grok 4 — side-by-side specs.

Mistral
Mistral Small 3.1
xAI
Grok 4
Overview
CompanyMistralxAI
Release dateMar 17 2025Jul 9 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMistral Small 3.1 shipped 114 days before Grok 4

Which is better: Mistral Small 3.1 or Grok 4?

Mistral Small 3.1 and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.1 shipped 114 days before Grok 4, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; Grok 4 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.1 and Grok 4 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 4 released?
Grok 4 was released by xAI on Jul 9 2025.
Is Mistral Small 3.1 or Grok 4 open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. Grok 4 is a proprietary model released by xAI.

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