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

Gemma 4 vs o1-preview

Google
Gemma 4
OpenAI
o1-preview
Overview
CompanyGoogleOpenAI
Release dateApr 2 2026Sep 12 2024
AccessOpen WeightProprietary
Timeline
Release gapo1-preview shipped 567 days before Gemma 4

Which is better: Gemma 4 or o1-preview?

Gemma 4 and o1-preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 567 days before Gemma 4, so benchmark comparisons should account for the intervening progress.

Gemma 4 is open weight, while o1-preview is proprietary.

Direct benchmark comparisons are unavailable — Gemma 4 and o1-preview don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemma 4 was released by Google on Apr 2 2026.

o1-preview was released by OpenAI on Sep 12 2024.

Gemma 4 is an open weight model released by Google. o1-preview is a proprietary model released by OpenAI.

Other comparisons