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Gemini 1.5 Flash vs o4-mini-high

Google Gemini 1.5 Flash vs OpenAI o4-mini-high — side-by-side specs.

Google
Gemini 1.5 Flash
OpenAI
o4-mini-high
Overview
CompanyGoogleOpenAI
Release dateMay 14 2024Apr 16 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGemini 1.5 Flash shipped 337 days before o4-mini-high

Which is better: Gemini 1.5 Flash or o4-mini-high?

Gemini 1.5 Flash and o4-mini-high don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash shipped 337 days before o4-mini-high, 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 Flash and o4-mini-high don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 1.5 Flash released?
Gemini 1.5 Flash was released by Google on May 14 2024.
When was o4-mini-high released?
o4-mini-high was released by OpenAI on Apr 16 2025.

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