Claude Sonnet 4.5 API Pricing
17 available providers and 15 live price sources tracked, including 1 official provider.
Data snapshot:
30-second decision
- Lowest recorded input price: $0.1241/1M tokens
- Compare official API and relay quotes with their service terms
Provider summary and buying decision
Evidence tier first, then normalized price within each tier.
| Provider / operator | Price evidence | Public operating history | Input / 1M tokens | Output / 1M tokens | API docs | Refund policy | Payment / invoice |
|---|---|---|---|---|---|---|---|
| Anthropicunknown | Official price sourcePlatform page ↗Observed: | —Unknown | $3.00 | $15.00 | View docs ↗ | Not provided | visa · mastercardunknown |
| TreeRouterunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.1241 | $0.6207 | View docs ↗ | Not provided | alipay · wechatunknown |
| RunAPIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.2483 | $1.2414 | View docs ↗ | Not provided | alipay · wechatunknown |
| IKunCodeunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechatunknown |
| LaoZhang APIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechatunknown |
| PackyCodeunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechatunknown |
| PoloAPIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechatunknown |
| ProAI APIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechatunknown |
| Token5U APIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechatunknown |
| UiUiAPIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.4138 | $2.069 | View docs ↗ | Not provided | alipay · wechat · visa · mastercardunknown |
| CrazyRouterunknown | Live API pricePlatform page ↗Observed: | —Unknown | $1.95 | $9.75 | View docs ↗ | Not provided | —unknown |
| 302.AIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $3.00 | $15.00 | View docs ↗ | Not provided | alipay · visa · mastercard · amex · unionpayunknown |
| OpenRouterunknown | Live API pricePlatform page ↗Observed: | —Unknown | $3.00 | $15.00 | View docs ↗ | Not provided | visa · mastercard · cryptounknown |
| YunWu AIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $3.00 | $15.00 | View docs ↗ | Not provided | alipay · wechatunknown |
| OhMyGPTunknown | Live API pricePlatform page ↗Observed: | —Unknown | $3.30 | $16.50 | View docs ↗ | Not provided | alipay · wechatunknown |
| Poixe AIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $36.00 | $180.00 | View docs ↗ | Not provided | alipay · wechat · visa · mastercardunknown |
| 1pkAPIunknown | UnreviewedPlatform page ↗Observed: | —Unknown | $0.39 | $1.95 | View docs ↗ | Not provided | alipayunknown |
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
Estimate monthly cost
The estimate uses the displayed price without assuming discounts or cache hits.
External capability references
Only source results safely mapped to the official model name are shown.
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.