Is Claude Opus 4.5 (EU) or Claude Opus 4.1 cheaper?

Claude Opus 4.5 (EU) is cheaper on output tokens ($27.50 vs $75.00 per 1M).

Which has the larger context window, Claude Opus 4.5 (EU) or Claude Opus 4.1?

Both models offer a similar context window.

Claude Opus 4.5 (EU) vs Claude Opus 4.1

Claude Opus 4.5 (EU) is cheaper on output tokens. Choose Claude Opus 4.5 (EU) or Claude Opus 4.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.5 (EU)	Claude Opus 4.1
Provider	Amazon Bedrock	Amazon Bedrock
Input / 1M tokens	$5.50	$15.00
Output / 1M tokens	$27.50	$75.00
Context window	200K	200K
Parameters	—	—
Open weights	No	No
Released	Nov 2025	Aug 2025

Claude Opus 4.5 (EU) details →Claude Opus 4.1 details →

FAQ

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