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Gemini 1.0 Nano vs o3

Google Gemini 1.0 Nano vs OpenAI o3 — side-by-side specs.

Google
Gemini 1.0 Nano
OpenAI
o3
Overview
CompanyGoogleOpenAI
Release dateDec 6 2023Apr 16 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGemini 1.0 Nano shipped 497 days before o3

Which is better: Gemini 1.0 Nano or o3?

Gemini 1.0 Nano and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.0 Nano shipped 497 days before o3, 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 1.0 Nano and o3 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 1.0 Nano released?
Gemini 1.0 Nano was released by Google on Dec 6 2023.
When was o3 released?
o3 was released by OpenAI on Apr 16 2025.

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