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

Gemini 3.1 Flash-Lite vs GPT-5.4 mini

Google
Gemini 3.1 Flash-Lite
OpenAI
GPT-5.4 mini
Overview
CompanyGoogleOpenAI
Release dateMar 3 2026Mar 17 2026
AccessProprietaryProprietary
Specifications
Context window
400k
Benchmarks
Nonsense detection
BullshitBench v2
11%
32%Best
Timeline
Release gapGemini 3.1 Flash-Lite shipped 14 days before GPT-5.4 mini

Which is better: Gemini 3.1 Flash-Lite or GPT-5.4 mini?

GPT-5.4 mini leads Gemini 3.1 Flash-Lite on 1 of the 1 benchmark they both report (BullshitBench v2). Gemini 3.1 Flash-Lite shipped 14 days before GPT-5.4 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.

On BullshitBench v2, GPT-5.4 mini leads at 32% vs Gemini 3.1 Flash-Lite at 11%.

Frequently asked questions

Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.

GPT-5.4 mini was released by OpenAI on Mar 17 2026.

Other comparisons