Is Claude Sonnet 4.6 (EU) or GPT-5.4 cheaper?

Claude Sonnet 4.6 (EU) and GPT-5.4 have comparable output pricing.

Which has the larger context window, Claude Sonnet 4.6 (EU) or GPT-5.4?

Claude Sonnet 4.6 (EU) has the larger context window (1M tokens).

Claude Sonnet 4.6 (EU) vs GPT-5.4

Both have similar output pricing, while Claude Sonnet 4.6 (EU) offers a larger context window. Choose Claude Sonnet 4.6 (EU) or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Sonnet 4.6 (EU)	GPT-5.4
Provider	Amazon Bedrock	Amazon Bedrock
Input / 1M tokens	$3.30	$2.75
Output / 1M tokens	$16.50	$16.50
Context window	1M	272K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Mar 2026

Claude Sonnet 4.6 (EU) details →GPT-5.4 details →

FAQ

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