Is Claude-Sonnet-4.5 or Claude-Opus-4.7 cheaper?

Claude-Sonnet-4.5 is cheaper on output tokens ($13.00 vs $21.00 per 1M).

Which has the larger context window, Claude-Sonnet-4.5 or Claude-Opus-4.7?

Claude-Opus-4.7 has the larger context window (1M tokens).

Claude-Sonnet-4.5 vs Claude-Opus-4.7

Claude-Sonnet-4.5 is cheaper on output tokens, while Claude-Opus-4.7 offers a larger context window. Choose Claude-Sonnet-4.5 or Claude-Opus-4.7 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude-Sonnet-4.5	Claude-Opus-4.7
Provider	Poe	Poe
Input / 1M tokens	$2.60	$4.30
Output / 1M tokens	$13.00	$21.00
Context window	983K	1M
Parameters	—	—
Open weights	No	No
Released	Sep 2025	Apr 2026

Claude-Sonnet-4.5 details →Claude-Opus-4.7 details →

FAQ

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