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Mathstral 7B vs o3-pro

Mistral Mathstral 7B vs OpenAI o3-pro — side-by-side specs.

Mistral
Mathstral 7B
OpenAI
o3-pro
Overview
CompanyMistralOpenAI
Release dateJul 16 2024Jun 10 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMathstral 7B shipped 329 days before o3-pro

Which is better: Mathstral 7B or o3-pro?

Mathstral 7B and o3-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mathstral 7B shipped 329 days before o3-pro, so benchmark comparisons should account for the intervening progress.

Mathstral 7B is an open-source / open-weight model; o3-pro is proprietary.

Direct benchmark comparisons are unavailable — Mathstral 7B and o3-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mathstral 7B released?
Mathstral 7B was released by Mistral on Jul 16 2024.
When was o3-pro released?
o3-pro was released by OpenAI on Jun 10 2025.
Is Mathstral 7B or o3-pro open source?
Mathstral 7B is an open-source / open-weight model released by Mistral. o3-pro is a proprietary model released by OpenAI.

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