Claude Sonnet 5
Anthropic · 1M input + 1M output tokens · USD
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Prices use one fixed workload so the gateway totals are directly comparable.
Model
Same model · same workloadClaude Sonnet 5Official API baseline$12
OpenRouter1M input + 1M output$12.66Model usage$12Credit purchase fee estimate+$0.665.5% when purchasing credits, not per request
Vercel AI GatewayLowest gateway cost1M input + 1M output$12Model usage$12Gateway markup$0No token markup
Cloudflare AI Gateway1M input + 1M output$12.6Model usage$12Unified Billing fee estimate+$0.65% unified billing fee
Portkey1M input + 1M output$12 + planModel usage$12Platform planSeparate planProvider usage plus a separate platform planEstimated 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.