Gemini 1.5 Pro vs o3-pro
Google Gemini 1.5 Pro | OpenAI o3-pro | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Feb 15 2024 | Jun 10 2025 |
| Access | Proprietary | Proprietary |
| Timeline | ||
| Release gap | Gemini 1.5 Pro shipped 481 days before o3-pro | |
Which is better: Gemini 1.5 Pro or o3-pro?
Gemini 1.5 Pro and o3-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 481 days before o3-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 o3-pro 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-pro was released by OpenAI on Jun 10 2025.
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