Claude 1vsGPT-4.1 nano

Claude 1
GPT-4.1 nano
Specifications
Context window
9k
1M
Overview
CompanyAnthropicOpenAI
Release dateMar 14 2023Apr 14 2025
AccessProprietaryProprietary

Which is better: Claude 1 or GPT-4.1 nano?

Claude 1 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 1 shipped 762 days before GPT-4.1 nano, so benchmark comparisons should account for the intervening progress.

Context windows are 9k (Claude 1) vs 1M (GPT-4.1 nano).

Direct benchmark comparisons are unavailable — Claude 1 and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 1 was released by Anthropic on Mar 14 2023.

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

Claude 1 has a 9k context window; GPT-4.1 nano has 1M.

Other comparisons