AnthropicClaude Sonnet 5 pricing
$2.00 per 1M input tokens and $10.00 per 1M output tokens. In real work that is 1.3¢ per chat answer and 4.4¢ to summarize a 20-page PDF.
Official price at Anthropic: $2.00 / $10.00 per 1M, cached $0.20 (source, verified Oct 18, 2026).
What Claude Sonnet 5 costs per task
Token counts estimated from a measured model of the same lab (Claude Haiku 5.5), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 1.3¢$13.11 / 1,000 | 61 in · 1,055 out · 244 reasoning | 288 of 336 | estimated |
| Reply to a customer email | 0.71¢$7.08 / 1,000 | 362 in · 290 out · 346 reasoning | 288 of 336 | estimated |
| Write a 1,500-word blog post | 3.8¢$37.78 / 1,000 | 90 in · 3,560 out · 200 reasoning | 287 of 336 | estimated |
| Write 10 product descriptions | 4.2¢$42.36 / 1,000 | 454 in · 1,803 out · 2,342 reasoning | 302 of 336 | estimated |
| Translate 1,000 words | 2.5¢$25.19 / 1,000 | 1,832 in · 2,153 out | 263 of 336 | estimated |
| Proofread one page (500 words) | 1.4¢$14.14 / 1,000 | 987 in · 913 out · 304 reasoning | 289 of 336 | estimated |
| Summarize a 20-page PDF | 4.4¢$43.91 / 1,000 | 18,004 in · 672 out · 118 reasoning | 295 of 336 | estimated |
| Extract data from an invoice | 1.3¢$12.74 / 1,000 | 546 in · 574 out · 591 reasoning | 292 of 336 | estimated |
| Analyze a 200-row spreadsheet | ≥17¢$171 / 1,000 | 5,433 in · 566 out · 15,434 reasoning | 298 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 2.9¢$28.86 / 1,000 | 5,184 in · 1,096 out · 753 reasoning | 301 of 336 | estimated |
| Classify 100 support tickets | 1.8¢$18.45 / 1,000 | 1,747 in · 535 out · 961 reasoning | 253 of 336 | estimated |
| Review 500 lines of code | 13¢$132 / 1,000 | 7,117 in · 3,258 out · 8,532 reasoning | 300 of 336 | estimated |
| Write a SQL query | 1.7¢$16.86 / 1,000 | 182 in · 840 out · 810 reasoning | 298 of 336 | estimated |
| Run a 50-step coding agent | $1.33$1,327 / 1,000 | 3,101,175 in · 20,790 out · 29,550 reasoning | 249 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Claude Sonnet 5 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
 Claude Platform on AWSunknown | $2.00 / $10.00 | $0.20 | 1M | 100% |
 Azureunknown | $2.00 / $10.00 | $0.20 | 1M | |
 Googleunknown | $2.00 / $10.00 | $0.20 | 1M | 100% |
 Amazon Bedrockunknown | $2.00 / $10.00 | $0.20 | 1M | 100% |
Anthropicunknown | $2.00 / $10.00 | $0.20 | 1M | 100% |
Amazon Bedrockunknown | $2.20 / $11.00 | $0.22 | 1M | |
Azureunknown | $2.20 / $11.00 | $0.22 | 1M | |
Googleunknown | $2.20 / $11.00 | $0.22 | 1M | |
Googleunknown | $2.20 / $11.00 | $0.22 | 1M | 100% |
Amazon Bedrockunknown | $2.20 / $11.00 | $0.22 | 1M |
Price history
First seen in our price history on Jul 17, 2026 at $2.00 input / $10.00 output. The list price has not changed since.
FAQ
How much does Claude Sonnet 5 cost?
Claude Sonnet 5 costs $2.00 per 1 million input tokens and $10.00 per 1 million output tokens, with cached input at $0.20 (list price on Oct 18, 2026). In practice one chat answer costs about 1.3¢ and summarizing a 20-page PDF about 4.4¢.
Where is Claude Sonnet 5 cheapest?
Among 10 providers we track, the lowest list price today is at Claude Platform on AWS: $2.00 input and $10.00 output per 1M tokens.
Does Claude Sonnet 5 charge for reasoning tokens?
Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.
Is the Claude Sonnet 5 cost per task measured or estimated?
Estimated: Claude Sonnet 5 was not run directly. Tokens come from Claude Haiku 5.5 and are rescaled by the tokenizer of Anthropic. Real usage can differ.