Cost calculator

LLM API Cost Calculator

Estimate uncached input, cached input, and output token spend using verified vendor rates.

Estimated cost

$0.00 monthly

$0.00 annually

Methodology and assumptions

Each token category is multiplied by the selected vendor's per-token rate. OpenAI GPT-5, Claude Sonnet 4 at up to 200K input, and Gemini 2.5 Pro at up to 200K prompt tokens are included. Batch, long-context, cache-write/storage, tools, regional processing, taxes, and discounts are excluded. Anthropic and Google rates link from the data-sources page.

Pricing last verified:

Official source: Official model pricing sources

Frequently Asked Questions

What does the LLM API Cost Calculator calculate?

Estimate uncached input, cached input, and output token spend using verified vendor rates.

How accurate is the LLM API Cost Calculator?

It is a planning estimate based on the inputs, formula, assumptions, and sources shown on this page. Actual prices, invoices, taxes, discounts, and outcomes can differ.

Are calculator inputs saved or sent to analytics?

Inputs are processed in your browser. Calculator values are not included in analytics events.