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Gemini 1.5 Pro vs o1-pro

Google Gemini 1.5 Pro vs OpenAI o1-pro — side-by-side specs.

Google
Gemini 1.5 Pro
OpenAI
o1-pro
Overview
CompanyGoogleOpenAI
Release dateFeb 15 2024Mar 19 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGemini 1.5 Pro shipped 398 days before o1-pro

Which is better: Gemini 1.5 Pro or o1-pro?

Gemini 1.5 Pro and o1-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Pro shipped 398 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 — Gemini 1.5 Pro and o1-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 1.5 Pro released?
Gemini 1.5 Pro was released by Google on Feb 15 2024.
When was o1-pro released?
o1-pro was released by OpenAI on Mar 19 2025.

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