Is Claude Sonnet 4.5 or Claude Opus 4.7 cheaper?

Claude Sonnet 4.5 is cheaper on output tokens ($18.75 vs $30.00 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	Venice AI	Venice AI
Input / 1M tokens	$3.75	$6.00
Output / 1M tokens	$18.75	$30.00
Context window	198K	1M
Parameters	—	—
Open weights	No	No
Released	Jan 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.