Claude Sonnet 4.5

anthropic · 1M input + 1M output tokens · USD

Vercel AI GatewayLowest comparable cost

Input / 1M$3Output / 1M$15Estimated total$18

Published gateway catalog rate

OpenRouter

Input / 1M$3Output / 1M$15Estimated total$18.99

Published gateway catalog rate

Estimated total uses 1 million input tokens plus 1 million output tokens. OpenRouter's funding estimate applies 5.5% to this amount for comparison; the real charge occurs when credits are purchased and has a $0.80 minimum per purchase. Taxes, payment charges, discounts, and monthly plans are excluded.