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Mistral Small 3.1 vs Grok 4.1

Mistral Mistral Small 3.1 vs xAI Grok 4.1 — side-by-side specs.

Mistral
Mistral Small 3.1
xAI
Grok 4.1
Overview
CompanyMistralxAI
Release dateMar 17 2025Nov 17 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Small 3.1 shipped 245 days before Grok 4.1

Which is better: Mistral Small 3.1 or Grok 4.1?

Mistral Small 3.1 and Grok 4.1 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small 3.1 shipped 245 days before Grok 4.1, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; Grok 4.1 is proprietary.

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 3.1 released?
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
When was Grok 4.1 released?
Grok 4.1 was released by xAI on Nov 17 2025.
Is Mistral Small 3.1 or Grok 4.1 open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. Grok 4.1 is a proprietary model released by xAI.

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