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

Gemma 4 vs GPT-3.5

Google
Gemma 4
OpenAI
GPT-3.5
Overview
CompanyGoogleOpenAI
Release dateApr 2 2026Nov 30 2022
AccessOpen WeightProprietary
Timeline
Release gapGPT-3.5 shipped 1219 days before Gemma 4

Which is better: Gemma 4 or GPT-3.5?

Gemma 4 and GPT-3.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-3.5 shipped 1219 days before Gemma 4, so benchmark comparisons should account for the intervening progress.

Gemma 4 is open weight, while GPT-3.5 is proprietary.

Direct benchmark comparisons are unavailable — Gemma 4 and GPT-3.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemma 4 was released by Google on Apr 2 2026.

GPT-3.5 was released by OpenAI on Nov 30 2022.

Gemma 4 is an open weight model released by Google. GPT-3.5 is a proprietary model released by OpenAI.

Other comparisons