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

Gemini 2.5 Pro vs GPT-4.1 nano

Google
Gemini 2.5 Pro
OpenAI
GPT-4.1 nano
Overview
CompanyGoogleOpenAI
Release dateMar 25 2025Apr 14 2025
AccessProprietaryProprietary
Specifications
Context window
1M
Benchmarks
Nonsense detection
BullshitBench v2
20%
Coding
SWE-Bench Verified
59.6%
Science
GPQA Diamond
86.4%
Multimodal
MMMU
68%
Timeline
Release gapGemini 2.5 Pro shipped 20 days before GPT-4.1 nano

Which is better: Gemini 2.5 Pro or GPT-4.1 nano?

Gemini 2.5 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 2.5 Pro shipped 20 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 2.5 Pro and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 2.5 Pro was released by Google on Mar 25 2025.

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

Other comparisons