Is Claude Opus 4.5 or o1 cheaper?

Claude Opus 4.5 is cheaper on output tokens ($25.00 vs $60.00 per 1M).

Which has the larger context window, Claude Opus 4.5 or o1?

Both models offer a similar context window.

Claude Opus 4.5 vs o1

Claude Opus 4.5 is cheaper on output tokens. Choose Claude Opus 4.5 or o1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.5	o1
Provider	DigitalOcean	DigitalOcean
Input / 1M tokens	$5.00	$15.00
Output / 1M tokens	$25.00	$60.00
Context window	200K	200K
Parameters	—	—
Open weights	No	No
Released	Nov 2025	Dec 2024

Claude Opus 4.5 details →o1 details →

FAQ

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