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

Gemma 2 vs GPT-5.2

Google
Gemma 2
OpenAI
GPT-5.2
Overview
CompanyGoogleOpenAI
Release dateJun 27 2024Dec 11 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
38%
Coding
SWE-Bench Verified
80%
Abstract reasoning
ARC-AGI-2
52.9%
Science
GPQA Diamond
92.4%
Community preference
Arena Elo (Text)
1476
Timeline
Release gapGemma 2 shipped 532 days before GPT-5.2

Which is better: Gemma 2 or GPT-5.2?

Gemma 2 and GPT-5.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 2 shipped 532 days before GPT-5.2, so benchmark comparisons should account for the intervening progress.

Gemma 2 is open weight, while GPT-5.2 is proprietary.

Direct benchmark comparisons are unavailable — Gemma 2 and GPT-5.2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemma 2 was released by Google on Jun 27 2024.

GPT-5.2 was released by OpenAI on Dec 11 2025.

Gemma 2 is an open weight model released by Google. GPT-5.2 is a proprietary model released by OpenAI.

Other comparisons