API pricing

Claude Sonnet 5.5 API pricing

Anthropic

anthropic/claude-sonnet-5.5

visiontools

Input / output

$2.0/M

$10.0/M out

Input

$2.0/M

Output

$10.0/M

Context

1M

Updated

2026-10-18

Claude Sonnet 5.5 API pricing via OpenRouter: $2.0/M input, $10.0/M output, 1M context. Estimate workload cost in the calculator or side-by-side compare.