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Gemini 3.0 Pro vs o3-pro

3 vs 0 benchmarks won

Google
Gemini 3.0 Pro
OpenAI
o3-pro
Overview
CompanyGoogleOpenAI
Release dateNov 18 2025Jun 10 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
91.9%
Software engineering
SWE-Bench Verified
76.2%
Multimodal understanding
MMMU
81%
Timeline
Release gapo3-pro shipped 161 days before Gemini 3.0 Pro

Which is better: Gemini 3.0 Pro or o3-pro?

Gemini 3.0 Pro leads o3-pro on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). o3-pro shipped 161 days before Gemini 3.0 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 Gemini 3.0 Pro released?
Gemini 3.0 Pro was released by Google on Nov 18 2025.
When was o3-pro released?
o3-pro was released by OpenAI on Jun 10 2025.

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