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

Claude 2 vs GPT-4.1 nano

Anthropic
Claude 2
OpenAI
GPT-4.1 nano
Overview
CompanyAnthropicOpenAI
Release dateJul 11 2023Apr 14 2025
AccessProprietaryProprietary
Specifications
Context window
1M
Timeline
Release gapClaude 2 shipped 643 days before GPT-4.1 nano

Which is better: Claude 2 or GPT-4.1 nano?

Claude 2 and GPT-4.1 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 643 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 — Claude 2 and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 2 was released by Anthropic on Jul 11 2023.

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

Other comparisons