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Gemini 2.5 Flash vs GPT-5 mini

Google Gemini 2.5 Flash vs OpenAI GPT-5 mini — side-by-side specs.

Google
Gemini 2.5 Flash
OpenAI
GPT-5 mini
Overview
CompanyGoogleOpenAI
Release dateApr 17 2025Aug 7 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGemini 2.5 Flash shipped 112 days before GPT-5 mini

Which is better: Gemini 2.5 Flash or GPT-5 mini?

Gemini 2.5 Flash and GPT-5 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 2.5 Flash shipped 112 days before GPT-5 mini, 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 2.5 Flash and GPT-5 mini don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 2.5 Flash released?
Gemini 2.5 Flash was released by Google on Apr 17 2025.
When was GPT-5 mini released?
GPT-5 mini was released by OpenAI on Aug 7 2025.

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