Is Claude Haiku 4.5 or Claude Sonnet 4.5 cheaper?

Claude Haiku 4.5 is cheaper on output tokens ($0.71 vs $2.14 per 1M).

Which has the larger context window, Claude Haiku 4.5 or Claude Sonnet 4.5?

Both models offer a similar context window.

Claude Haiku 4.5 vs Claude Sonnet 4.5

Claude Haiku 4.5 is cheaper on output tokens. Choose Claude Haiku 4.5 or Claude Sonnet 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Haiku 4.5	Claude Sonnet 4.5
Provider	QiHang	QiHang
Input / 1M tokens	$0.14	$0.43
Output / 1M tokens	$0.71	$2.14
Context window	200K	200K
Parameters	—	—
Open weights	No	No
Released	Oct 2025	Sep 2025

Claude Haiku 4.5 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.