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Mistral Small 3.1 vs GPT-4.1

Mistral Mistral Small 3.1 vs OpenAI GPT-4.1 — side-by-side specs.

Mistral
Mistral Small 3.1
OpenAI
GPT-4.1
Overview
CompanyMistralOpenAI
Release dateMar 17 2025May 14 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 58 days before GPT-4.1

Which is better: Mistral Small 3.1 or GPT-4.1?

Mistral Small 3.1 and GPT-4.1 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small 3.1 shipped 58 days before GPT-4.1, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; GPT-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 GPT-4.1 released?
GPT-4.1 was released by OpenAI on May 14 2025.
Is Mistral Small 3.1 or GPT-4.1 open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. GPT-4.1 is a proprietary model released by OpenAI.

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