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Mixtral 8×7B vs o4-mini-high

Mistral Mixtral 8×7B vs OpenAI o4-mini-high — side-by-side specs.

Mistral
Mixtral 8×7B
OpenAI
o4-mini-high
Overview
CompanyMistralOpenAI
Release dateDec 9 2023Apr 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 gapMixtral 8×7B shipped 494 days before o4-mini-high

Which is better: Mixtral 8×7B or o4-mini-high?

Mixtral 8×7B and o4-mini-high do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mixtral 8×7B shipped 494 days before o4-mini-high, so benchmark comparisons should account for the intervening progress.

Mixtral 8×7B 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 Mixtral 8×7B released?
Mixtral 8×7B was released by Mistral on Dec 9 2023.
When was o4-mini-high released?
o4-mini-high was released by OpenAI on Apr 16 2025.
Is Mixtral 8×7B or o4-mini-high open source?
Mixtral 8×7B is an open-source / open-weight model released by Mistral. o4-mini-high is a proprietary model released by OpenAI.

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