LLM API Cost Calculator with Custom Token Pricing

Compute per-request, daily, and monthly LLM API spend from your own input, cached-input, and output token counts and per-million token prices.

Runs locally in your browser

Usage per request

Input tokens

Cached input tokens

Output tokens

Request volume

Requests per day

Billing days per month

Cost projection

Estimated monthly cost—

Use current contract prices

Providers change model names, discounts, cache rules and regional pricing. Copy the current rates from your own billing source and model both average and peak request volume.