How this calculator works
Enter input tokens, output tokens, input price per 1m tokens ($), output price per 1m tokens ($). Select Calculate to apply the displayed formula and review the labeled results.
Formula / method
Cost = (input tokens ÷ 1,000,000 × input rate) + (output tokens ÷ 1,000,000 × output rate)
Worked example
1,000,000 input tokens at $1/M and 250,000 output tokens at $4/M cost $2 in total.
Assumptions and limitations
Token counts and current per-million-token prices are supplied by the user in the same currency.
Provider pricing, cached tokens, batch discounts, reasoning tokens, tools and fine-tuning charges can require separate line items.