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

Home/Compare/Gemini 3.1 Flash-Lite vs o3

Gemini 3.1 Flash-Lite vs o3

Google Gemini 3.1 Flash-Lite vs OpenAI o3 — side-by-side specs.

Google
Gemini 3.1 Flash-Lite
OpenAI
o3
Overview
CompanyGoogleOpenAI
Release dateMar 3 2026Apr 16 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapo3 shipped 321 days before Gemini 3.1 Flash-Lite

Which is better: Gemini 3.1 Flash-Lite or o3?

Gemini 3.1 Flash-Lite and o3 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. o3 shipped 321 days before Gemini 3.1 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Gemini 3.1 Flash-Lite released?
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
When was o3 released?
o3 was released by OpenAI on Apr 16 2025.

Other comparisons