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Gemini 3.1 Flash vs o1

Google Gemini 3.1 Flash vs OpenAI o1 — side-by-side specs.

Google
Gemini 3.1 Flash
OpenAI
o1
Overview
CompanyGoogleOpenAI
Release dateFeb 26 2026Dec 5 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapo1 shipped 448 days before Gemini 3.1 Flash

Which is better: Gemini 3.1 Flash or o1?

Gemini 3.1 Flash and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 448 days before Gemini 3.1 Flash, 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 3.1 Flash and o1 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 3.1 Flash released?
Gemini 3.1 Flash was released by Google on Feb 26 2026.
When was o1 released?
o1 was released by OpenAI on Dec 5 2024.

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