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Mistral Small 3 vs o1-preview

Mistral Mistral Small 3 vs OpenAI o1-preview — side-by-side specs.

Mistral
Mistral Small 3
OpenAI
o1-preview
Overview
CompanyMistralOpenAI
Release dateJan 2025Sep 12 2024
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapo1-preview shipped 111 days before Mistral Small 3

Which is better: Mistral Small 3 or o1-preview?

Mistral Small 3 and o1-preview do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. o1-preview shipped 111 days before Mistral Small 3, so benchmark comparisons should account for the intervening progress.

Mistral Small 3 is an open-source / open-weight model; o1-preview 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 released?
Mistral Small 3 was released by Mistral on Jan 2025.
When was o1-preview released?
o1-preview was released by OpenAI on Sep 12 2024.
Is Mistral Small 3 or o1-preview open source?
Mistral Small 3 is an open-source / open-weight model released by Mistral. o1-preview is a proprietary model released by OpenAI.

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