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Ministral 3 8B-25-12 vs o4-mini-high

Mistral Ministral 3 8B-25-12 vs OpenAI o4-mini-high — side-by-side specs.

Mistral
Ministral 3 8B-25-12
OpenAI
o4-mini-high
Overview
CompanyMistralOpenAI
Release dateDec 2 2025Apr 16 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapo4-mini-high shipped 230 days before Ministral 3 8B-25-12

Which is better: Ministral 3 8B-25-12 or o4-mini-high?

Ministral 3 8B-25-12 and o4-mini-high do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. o4-mini-high shipped 230 days before Ministral 3 8B-25-12, so benchmark comparisons should account for the intervening progress.

Ministral 3 8B-25-12 is an open-source / open-weight model; o4-mini-high 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 Ministral 3 8B-25-12 released?
Ministral 3 8B-25-12 was released by Mistral on Dec 2 2025.
When was o4-mini-high released?
o4-mini-high was released by OpenAI on Apr 16 2025.
Is Ministral 3 8B-25-12 or o4-mini-high open source?
Ministral 3 8B-25-12 is an open-source / open-weight model released by Mistral. o4-mini-high is a proprietary model released by OpenAI.

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