AI API Cost Calculator
Estimate a token bill from published per-token prices. Prices can lag.
Prices were copied from provider pages on 5 October 2026 and are maintained by hand, so they may lag. Standard input and output rates only: no cache, batch, or long-context uplift. The provider page is the source of truth.
Estimated cost
USD 4.60
Input / 1M
USD 2.00
Output / 1M
USD 10.00
Checked 5 October 2026. Confirm on the provider page: https://platform.claude.com/docs/en/about-claude/pricing
Worked example
1,000 requests to Claude Sonnet 5, with 800 input tokens and 300 output tokens each. At $2 and $10 per million tokens, the input is $1.60 and the output is $3.00, so the estimate is $4.60.
FAQ
- How current are the prices?
- They were copied from provider pages on 5 October 2026 and are updated by hand. They can lag. The link under the result is the source of truth.
- Does this include prompt caching?
- No. It uses the standard input and output rates only. Cache hits, batch, and long-context uplifts are extra.
- Why US dollars?
- The providers publish these rates in USD. The figure is not converted to AUD.