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GPT-4o mini vs o1-pro

OpenAI GPT-4o mini vs OpenAI o1-pro — side-by-side specs.

OpenAI
GPT-4o mini
OpenAI
o1-pro
Overview
CompanyOpenAIOpenAI
Release dateJul 18 2024Mar 19 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGPT-4o mini shipped 244 days before o1-pro

Which is better: GPT-4o mini or o1-pro?

GPT-4o mini and o1-pro do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. GPT-4o mini shipped 244 days before o1-pro, 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 GPT-4o mini released?
GPT-4o mini was released by OpenAI on Jul 18 2024.
When was o1-pro released?
o1-pro was released by OpenAI on Mar 19 2025.

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