Claude Sonnet 5 (starting Sept 2026) API Pricing
1 available providers and 0 live price sources tracked, including 1 official provider.
Data snapshot:
Claude Sonnet 5 (starting Sept 2026) provider prices and multipliers
Input and output multipliers are each calculated as provider price ÷ official baseline; 1.00× equals the official price.
| Provider / operator | Input / 1M tokens | Output / 1M tokens | vs official | Price evidence | Public operating history | API docs | Refund policy | Payment / invoice |
|---|---|---|---|---|---|---|---|---|
| Anthropicunknown | $3.00 | $15.00 | In 1.00×Out 1.00× | Official price sourcePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | visa · mastercardunknown |
Platform-submitted information or domain verification does not mean the price was independently checked and is not a ComputeUnion guarantee of pricing, availability, refunds, compliance, invoices, or service quality.
External capability references
Only source results safely mapped to the official model name are shown.
FAQ
How is Claude Sonnet 5 (starting Sept 2026) API priced?
Input and output tokens are billed separately. The current recorded official baseline is $3.0000 input / $15.0000 output per 1M tokens.
Which provider is cheapest for Claude Sonnet 5 (starting Sept 2026)?
The lowest recorded input price is $3.00/1M tokens from Anthropic; verify provider terms and the observation date before production use.
How do official and relay prices differ?
Official and relay channels can differ in price, latency, limits, and service terms; evaluate them separately for production traffic.