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Mistral Large vs GPT-5-Codex-Mini

Mistral Mistral Large vs OpenAI GPT-5-Codex-Mini — side-by-side specs.

Mistral
Mistral Large
OpenAI
GPT-5-Codex-Mini
Overview
CompanyMistralOpenAI
Release dateFeb 26 2024Nov 8 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Large shipped 621 days before GPT-5-Codex-Mini

Which is better: Mistral Large or GPT-5-Codex-Mini?

Mistral Large and GPT-5-Codex-Mini do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Large shipped 621 days before GPT-5-Codex-Mini, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 Large released?
Mistral Large was released by Mistral on Feb 26 2024.
When was GPT-5-Codex-Mini released?
GPT-5-Codex-Mini was released by OpenAI on Nov 8 2025.

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