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GPT-4o mini vs GPT-5.2

0 vs 2 benchmarks won

OpenAI
GPT-4o mini
OpenAI
GPT-5.2
Overview
CompanyOpenAIOpenAI
Release dateJul 18 2024Dec 11 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
92.4%
Software engineering
SWE-Bench Verified
80%
Multimodal understanding
MMMU
Timeline
Release gapGPT-4o mini shipped 511 days before GPT-5.2

Which is better: GPT-4o mini or GPT-5.2?

GPT-5.2 leads GPT-4o mini on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). GPT-4o mini shipped 511 days before GPT-5.2, 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 GPT-5.2 released?
GPT-5.2 was released by OpenAI on Dec 11 2025.

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