Is Claude Opus 4.8 or Claude Haiku 4.5 cheaper?

Claude Haiku 4.5 is cheaper on output tokens ($5.00 vs $25.00 per 1M).

Which has the larger context window, Claude Opus 4.8 or Claude Haiku 4.5?

Claude Opus 4.8 has the larger context window (1M tokens).

Claude Opus 4.8 vs Claude Haiku 4.5

Claude Haiku 4.5 is cheaper on output tokens, while Claude Opus 4.8 offers a larger context window. Choose Claude Opus 4.8 or Claude Haiku 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.8	Claude Haiku 4.5
Provider	Vertex	Vertex
Input / 1M tokens	$5.00	$1.00
Output / 1M tokens	$25.00	$5.00
Context window	1M	200K
Parameters	—	—
Open weights	No	No
Released	May 2026	Oct 2025

Claude Opus 4.8 details →Claude Haiku 4.5 details →

FAQ

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