Anthropic

Anthropic API Cost Calculator

Calculate your estimated Anthropic API costs based on requests, input tokens, and output tokens. Compare pricing across popular Claude models.

Anthropic Models

Compare Claude model pricing and choose a model to calculate your expected API costs.

Claude Fable 5.1

Input$10.00 / 1M

Output$50.00 / 1M

Calculate Claude Fable 5.1 →

Claude Opus 5

Input$5.00 / 1M

Output$25.00 / 1M

Calculate Claude Opus 5 →

Claude Sonnet 5

Input$2.00 / 1M

Output$10.00 / 1M

Calculate Claude Sonnet 5 →

Claude Haiku 4.5

Input$1.00 / 1M

Output$5.00 / 1M

Calculate Claude Haiku 4.5 →

How to calculate Anthropic API costs

Anthropic API costs depend on the model you use and the amount of input and output tokens processed by your application.

To estimate your total spending, enter your expected number of daily requests together with the average number of input and output tokens per request.

Open AI Cost Calculator

Frequently asked questions

How much does the Anthropic API cost?

The cost depends on the Claude model you use and the number of input and output tokens processed.

How can I estimate my Anthropic API bill?

Enter your expected daily requests and average input and output tokens into our calculator to estimate daily, monthly, and yearly costs.

Is the Anthropic cost calculator free?

Yes. The calculator is free to use and does not require an account.