AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Gemini 2.5 Flash-Lite vs GPT-4o

Google
Gemini 2.5 Flash-Lite
OpenAI
GPT-4o
Overview
CompanyGoogleOpenAI
Release dateJun 17 2025May 13 2024
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
12%
Timeline
Release gapGPT-4o shipped 400 days before Gemini 2.5 Flash-Lite

Which is better: Gemini 2.5 Flash-Lite or GPT-4o?

Gemini 2.5 Flash-Lite and GPT-4o don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4o shipped 400 days before Gemini 2.5 Flash-Lite, 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-Lite and GPT-4o don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 2.5 Flash-Lite was released by Google on Jun 17 2025.

GPT-4o was released by OpenAI on May 13 2024.

Other comparisons