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

Claude Sonnet 4.5 (EU) is cheaper on output tokens ($16.50 vs $75.00 per 1M).

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

Both models offer a similar context window.

Claude Sonnet 4.5 (EU) vs Claude Opus 4.1

Claude Sonnet 4.5 (EU) is cheaper on output tokens. Choose Claude Sonnet 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 Sonnet 4.5 (EU)	Claude Opus 4.1
Provider	Amazon Bedrock	Amazon Bedrock
Input / 1M tokens	$3.30	$15.00
Output / 1M tokens	$16.50	$75.00
Context window	200K	200K
Parameters	—	—
Open weights	No	No
Released	Sep 2025	Aug 2025

Claude Sonnet 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.