Is GPT-5.4 nano or Claude Opus 4.1 cheaper?

GPT-5.4 nano is cheaper on output tokens ($1.25 vs $75.00 per 1M).

Which has the larger context window, GPT-5.4 nano or Claude Opus 4.1?

GPT-5.4 nano has the larger context window (400K tokens).

GPT-5.4 nano vs Claude Opus 4.1

GPT-5.4 nano is cheaper on output tokens, while GPT-5.4 nano offers a larger context window. Choose GPT-5.4 nano or Claude Opus 4.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5.4 nano	Claude Opus 4.1
Provider	FastRouter	FastRouter
Input / 1M tokens	$0.20	$15.00
Output / 1M tokens	$1.25	$75.00
Context window	400K	200K
Parameters	—	—
Open weights	No	No
Released	Mar 2026	Aug 2025

GPT-5.4 nano details →Claude Opus 4.1 details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.