Claude 3.5 Sonnet API pricing
RetiredAs of October 22, 2026, Anthropic Claude 3.5 Sonnet costs $3.00 per million input tokens and $15.00 per million output tokens as listed on OpenRouter.
Claude 3.5 Sonnet benchmarks and specs · Every Anthropic model's price
No longer sold through the API. Retired on October 28, 2025; last list price shown.
- Input, per million tokens$3.00
- Output, per million tokens$15.00
- Cached input, per millionNo cache price listed
- Context window200K tokens
- Max outputNot published
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.011 | $10.50 | Yes |
| Repository review | 50K input + 3K output tokens | $0.195 | $195.00 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.750 | $750.00 | No, it would need splitting |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
The price of Claude 3.5 Sonnet here is the price OpenRouter lists, so we do not track price changes for it.
Cheaper models as good as Claude 3.5 Sonnet
Claude 3.5 Sonnet has no overall or coding score, so we make no quality claim against it.
Claude 3.5 Sonnet pricing questions
- How much does Claude 3.5 Sonnet cost per million tokens?
- $3.00 per million input tokens and $15.00 per million output tokens, as listed on OpenRouter on October 22, 2026.
- Does Claude 3.5 Sonnet support prompt caching?
- OpenRouter lists no cached input price for this model, so assume every input token is billed at the full rate.
- Has the price of Claude 3.5 Sonnet changed?
- The price of Claude 3.5 Sonnet here is the price OpenRouter lists, so we do not track price changes for it.