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

Gemma 3 vs o4-mini

Google
Gemma 3
OpenAI
o4-mini
Overview
CompanyGoogleOpenAI
Release dateMar 12 2025Apr 16 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapGemma 3 shipped 35 days before o4-mini

Which is better: Gemma 3 or o4-mini?

Gemma 3 and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 3 shipped 35 days before o4-mini, so benchmark comparisons should account for the intervening progress.

Gemma 3 is open weight, while o4-mini is proprietary.

Direct benchmark comparisons are unavailable — Gemma 3 and o4-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemma 3 was released by Google on Mar 12 2025.

o4-mini was released by OpenAI on Apr 16 2025.

Gemma 3 is an open weight model released by Google. o4-mini is a proprietary model released by OpenAI.

Other comparisons