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

Gemini 1.5 Pro-002 vs GPT-5-Codex-Mini

Google
Gemini 1.5 Pro-002
OpenAI
GPT-5-Codex-Mini
Overview
CompanyGoogleOpenAI
Release dateSep 24 2024Nov 8 2025
AccessProprietaryProprietary
Timeline
Release gapGemini 1.5 Pro-002 shipped 410 days before GPT-5-Codex-Mini

Which is better: Gemini 1.5 Pro-002 or GPT-5-Codex-Mini?

Gemini 1.5 Pro-002 and GPT-5-Codex-Mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Pro-002 shipped 410 days before GPT-5-Codex-Mini, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Gemini 1.5 Pro-002 and GPT-5-Codex-Mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.5 Pro-002 was released by Google on Sep 24 2024.

GPT-5-Codex-Mini was released by OpenAI on Nov 8 2025.

Other comparisons