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

Gemma 2 vs o4-mini

Google
Gemma 2
OpenAI
o4-mini
Overview
CompanyGoogleOpenAI
Release dateJun 27 2024Apr 16 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapGemma 2 shipped 293 days before o4-mini

Which is better: Gemma 2 or o4-mini?

Gemma 2 and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 2 shipped 293 days before o4-mini, so benchmark comparisons should account for the intervening progress.

Gemma 2 is open weight, while o4-mini is proprietary.

Direct benchmark comparisons are unavailable — Gemma 2 and o4-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemma 2 was released by Google on Jun 27 2024.

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

Gemma 2 is an open weight model released by Google. o4-mini is a proprietary model released by OpenAI.

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