AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

GPT-4o mini vs o1-pro

OpenAI
GPT-4o mini
OpenAI
o1-pro
Overview
CompanyOpenAIOpenAI
Release dateJul 18 2024Mar 19 2025
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
2%
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 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. 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 — GPT-4o mini and o1-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-4o mini was released by OpenAI on Jul 18 2024.

o1-pro was released by OpenAI on Mar 19 2025.

Other comparisons