Is Claude Sonnet 5.5 or GPT-5.4 mini cheaper?

GPT-5.4 mini is cheaper on output tokens ($4.50 vs $10.00 per 1M).

Which has the larger context window, Claude Sonnet 5.5 or GPT-5.4 mini?

Claude Sonnet 5.5 has the larger context window (1M tokens).

Claude Sonnet 5.5 vs GPT-5.4 mini

GPT-5.4 mini is cheaper on output tokens, while Claude Sonnet 5.5 offers a larger context window. Choose Claude Sonnet 5.5 or GPT-5.4 mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Sonnet 5.5	GPT-5.4 mini
Provider	Neon	Neon
Input / 1M tokens	$2.00	$0.75
Output / 1M tokens	$10.00	$4.50
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Sep 2026	Mar 2026

Claude Sonnet 5.5 details →GPT-5.4 mini details →

FAQ

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