Is GPT-4.1 mini or GPT-5 Nano cheaper?

GPT-5 Nano is cheaper on output tokens ($0.40 vs $1.60 per 1M).

Which has the larger context window, GPT-4.1 mini or GPT-5 Nano?

GPT-4.1 mini has the larger context window (1M tokens).

GPT-4.1 mini vs GPT-5 Nano

GPT-5 Nano is cheaper on output tokens, while GPT-4.1 mini offers a larger context window. Choose GPT-4.1 mini or GPT-5 Nano based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4.1 mini	GPT-5 Nano
Provider	Merge Gateway	Merge Gateway
Input / 1M tokens	$0.40	$0.05
Output / 1M tokens	$1.60	$0.40
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Apr 2025	Aug 2025

GPT-4.1 mini details →GPT-5 Nano details →

FAQ

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