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

Gemini 1.5 Pro vs GPT-4.1 nano

Google
Gemini 1.5 Pro
OpenAI
GPT-4.1 nano
Overview
CompanyGoogleOpenAI
Release dateFeb 15 2024Apr 14 2025
AccessProprietaryProprietary
Specifications
Context window
1M
Timeline
Release gapGemini 1.5 Pro shipped 424 days before GPT-4.1 nano

Which is better: Gemini 1.5 Pro or GPT-4.1 nano?

Gemini 1.5 Pro and GPT-4.1 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Pro shipped 424 days before GPT-4.1 nano, 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 and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.5 Pro was released by Google on Feb 15 2024.

GPT-4.1 nano was released by OpenAI on Apr 14 2025.

Other comparisons