Claude Instant 1.2vsGPT-4.1 nano

Claude Instant 1.2
GPT-4.1 nano
Specifications
Context window
100k
1M
Benchmarks
Function synthesis
HumanEval
58.7%
Grade-school math
GSM8K
86.7%
Overview
CompanyAnthropicOpenAI
Release dateAug 9 2023Apr 14 2025
AccessProprietaryProprietary

Which is better: Claude Instant 1.2 or GPT-4.1 nano?

Claude Instant 1.2 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 Instant 1.2 shipped 614 days before GPT-4.1 nano, so benchmark comparisons should account for the intervening progress.

Context windows are 100k (Claude Instant 1.2) vs 1M (GPT-4.1 nano).

Direct benchmark comparisons are unavailable — Claude Instant 1.2 and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude Instant 1.2 was released by Anthropic on Aug 9 2023.

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

Claude Instant 1.2 has a 100k context window; GPT-4.1 nano has 1M.

Other comparisons