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

Home/Compare/Gemini 3.1 Pro vs o1-preview

Gemini 3.1 Pro vs o1-preview

2 vs 0 benchmarks won

Google
Gemini 3.1 Pro
OpenAI
o1-preview
Overview
CompanyGoogleOpenAI
Release dateFeb 19 2026Sep 12 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.3%
Software engineering
SWE-Bench Verified
80.6%
Multimodal understanding
MMMU
Timeline
Release gapo1-preview shipped 525 days before Gemini 3.1 Pro

Which is better: Gemini 3.1 Pro or o1-preview?

Gemini 3.1 Pro leads o1-preview on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). o1-preview shipped 525 days before Gemini 3.1 Pro, 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 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.
When was o1-preview released?
o1-preview was released by OpenAI on Sep 12 2024.

Other comparisons