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

Gemini 1.5 Pro vs o3-mini

Google
Gemini 1.5 Pro
OpenAI
o3-mini
Overview
CompanyGoogleOpenAI
Release dateFeb 15 2024Jan 31 2025
AccessProprietaryProprietary
Timeline
Release gapGemini 1.5 Pro shipped 351 days before o3-mini

Which is better: Gemini 1.5 Pro or o3-mini?

Gemini 1.5 Pro and o3-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Pro shipped 351 days before o3-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 — Gemini 1.5 Pro and o3-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.5 Pro was released by Google on Feb 15 2024.

o3-mini was released by OpenAI on Jan 31 2025.

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