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Mistral Small 3.1 vs o4-mini-high

Mistral Mistral Small 3.1 vs OpenAI o4-mini-high — side-by-side specs.

Mistral
Mistral Small 3.1
OpenAI
o4-mini-high
Overview
CompanyMistralOpenAI
Release dateMar 17 2025Apr 16 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMistral Small 3.1 shipped 30 days before o4-mini-high

Which is better: Mistral Small 3.1 or o4-mini-high?

Mistral Small 3.1 and o4-mini-high don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.1 shipped 30 days before o4-mini-high, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; o4-mini-high is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.1 and o4-mini-high 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 o4-mini-high released?
o4-mini-high was released by OpenAI on Apr 16 2025.
Is Mistral Small 3.1 or o4-mini-high open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. o4-mini-high is a proprietary model released by OpenAI.

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