Is gpt-5.4-nano or gpt-5.1 cheaper?

gpt-5.4-nano is cheaper on output tokens ($1.25 vs $10.00 per 1M).

Which has the larger context window, gpt-5.4-nano or gpt-5.1?

Both models offer a similar context window.

gpt-5.4-nano vs gpt-5.1

gpt-5.4-nano is cheaper on output tokens. Choose gpt-5.4-nano or gpt-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gpt-5.4-nano	gpt-5.1
Provider	302.AI	302.AI
Input / 1M tokens	$0.20	$1.25
Output / 1M tokens	$1.25	$10.00
Context window	400K	400K
Parameters	—	—
Open weights	No	No
Released	Mar 2026	Nov 2025

gpt-5.4-nano details →gpt-5.1 details →

FAQ

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