AnthropicLLMactive
Claude Sonnet 4.5 API Pricing
Compare prices from 18 providers, including 1 official. 16 price sources are collected automatically.
Data snapshot:
Official input / 1M$3.00
Lowest input / 1M$0.1241
Maximum input gap95.9%Not a service-quality measure
Comparable providers1816 live
Claude Sonnet 4.5 provider prices and multipliers
Input and output multipliers are each calculated as provider price ÷ official baseline; 1.00× equals the official price.
Providers: 18From, within billing group: $0.1241Lowest observed: $0.1241Lowest input multiplier: 0.0414×
Official input baseline$3.00Official output baseline$15.00Price multipliers do not measure stability, rate limits, refunds, or service quality.
| Provider / operator | Input / 1M tokens | Output / 1M tokens | vs official | Price evidence | Public operating history | API docs | Refund policy | Payment / invoice |
|---|---|---|---|---|---|---|---|---|
| AnthropicOperator type not confirmed | $3.00 | $15.00 | In 1.00×Out 1.00× | Official price sourcePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Visa · MastercardInvoice support not confirmed |
| APILOVerified platformTeam | $0.45 | $2.25 | In 0.15×Out 0.15× | Price independently checkedPlatform page ↗Observed: | —Unknown | View docs ↗ | Refund policy not public | AlipayInvoices not available |
| TreeRouterOperator type not confirmed | $0.1241 | $0.6207 | In 0.0414×Out 0.0414× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| RunAPIOperator type not confirmed | $0.2483 | $1.2414 | In 0.0828×Out 0.0828× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| IKunCodeOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| LaoZhang APIOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| PackyCodeOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| PoloAPIOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| ProAI APIOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| Token5U APIOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| UiUiAPIOperator type not confirmed | $0.4138 | $2.069 | In 0.14×Out 0.14× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat Pay · Visa · MastercardInvoice support not confirmed |
| CrazyRouterOperator type not confirmed | $1.95 | $9.75 | In 0.65×Out 0.65× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | —Invoice support not confirmed |
| dddAIOperator type not confirmed | $2.3793 | $11.8966 | In 0.79×Out 0.79× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| 302.AIOperator type not confirmed | $3.00 | $15.00 | In 1.00×Out 1.00× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · Visa · Mastercard · American Express · UnionPayInvoice support not confirmed |
| OpenRouterOperator type not confirmed | $3.00 | $15.00 | In 1.00×Out 1.00× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Visa · Mastercard · CryptocurrencyInvoice support not confirmed |
| OhMyGPTOperator type not confirmed | $3.30 | $16.50 | In 1.10×Out 1.10× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat PayInvoice support not confirmed |
| Poixe AIOperator type not confirmed | $36.00 | $180.00 | In 12.0×Out 12.0× | Live API pricePlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | Alipay · WeChat Pay · Visa · MastercardInvoice support not confirmed |
| 1pkAPIOperator type not confirmed | $0.24 | $1.20 | In 0.08×Out 0.08× | UnreviewedPlatform page ↗Observed: | —Unknown | View docs ↗ | Not provided | AlipayInvoice support not confirmed |
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.
Claude Sonnet 4.5 price history
Observed input-price changes across providers over the last 30/90 days.
Unit: $/1M tokens
External capability references
Only source results safely mapped to the official model name are shown.
No safely matched external result is available; adjacent model scores are not substituted.
FAQ
How is Claude Sonnet 4.5 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 4.5?
The lowest recorded input price is $0.1241/1M tokens from TreeRouter; 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.