AnthropicLLMactive

Claude 3.5 Sonnet API Pricing

Name: Claude 3.5 Sonnet API pricing and capability evidence
Creator: ComputeUnion
License: https://creativecommons.org/licenses/by-nc/4.0/

4 available providers and 3 live price sources tracked, including 1 official provider.

Data snapshot: 2026-09-10T20:15:41.760Z

Official input / 1M$3.00

Lowest input / 1M$0.4138

Maximum input gap86.2%Not a service-quality measure

Comparable providers43 live

Claude 3.5 Sonnet provider prices and multipliers

Input and output multipliers are each calculated as provider price ÷ official baseline; 1.00× equals the official price.

Providers: 4From, within billing group: $0.4138Lowest observed: $0.4138Lowest input multiplier: 0.14×

Official input baseline$3.00Official output baseline$15.00Price multipliers do not measure stability, rate limits, refunds, or service quality.

Claude 3.5 Sonnet provider price and evidence comparison
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: 2026-06-11	—Unknown	View docs ↗	Not provided	visa · mastercardunknown
PoloAPIunknown	$0.4138	$2.069	In 0.14×Out 0.14×	Live API pricePlatform page ↗Observed: 2026-09-10	—Unknown	View docs ↗	Not provided	alipay · wechatunknown
302.AIunknown	$3.00	$15.00	In 1.00×Out 1.00×	Live API pricePlatform page ↗Observed: 2026-09-10	—Unknown	View docs ↗	Not provided	alipay · visa · mastercard · amex · unionpayunknown
YunWu AIunknown	$3.00	$15.00	In 1.00×Out 1.00×	Live API pricePlatform page ↗Observed: 2026-09-09	—Unknown	View docs ↗	Not provided	alipay · wechatunknown

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 3.5 Sonnet 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 3.5 Sonnet 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 3.5 Sonnet?

The lowest recorded input price is $0.4138/1M tokens from PoloAPI; 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.