Is gpt-5.4-nano-2026-03-17 or claude-sonnet-4-5 cheaper?

gpt-5.4-nano-2026-03-17 is cheaper on output tokens ($1.25 vs $15.00 per 1M).

Which has the larger context window, gpt-5.4-nano-2026-03-17 or claude-sonnet-4-5?

gpt-5.4-nano-2026-03-17 has the larger context window (400K tokens).

gpt-5.4-nano-2026-03-17 vs claude-sonnet-4-5

gpt-5.4-nano-2026-03-17 is cheaper on output tokens, while gpt-5.4-nano-2026-03-17 offers a larger context window. Choose gpt-5.4-nano-2026-03-17 or claude-sonnet-4-5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gpt-5.4-nano-2026-03-17	claude-sonnet-4-5
Provider	302.AI	302.AI
Input / 1M tokens	$0.20	$3.00
Output / 1M tokens	$1.25	$15.00
Context window	400K	200K
Parameters	—	—
Open weights	No	No
Released	Mar 2026	Sep 2025

gpt-5.4-nano-2026-03-17 details →claude-sonnet-4-5 details →

FAQ

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