OpenAI

OpenAI API Cost Calculator

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

OpenAI Models

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

GPT-5.6 Sol

Input$4.00 / 1M

Output$20.00 / 1M

Calculate GPT-5.6 Sol →

GPT-5.6 Terra

Input$2.00 / 1M

Output$12.00 / 1M

Calculate GPT-5.6 Terra →

GPT-5.6 Luna

Input$0.20 / 1M

Output$1.20 / 1M

Calculate GPT-5.6 Luna →

How to calculate OpenAI API costs

OpenAI API costs depend on 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 OpenAI API cost?

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

How can I estimate my OpenAI 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 OpenAI cost calculator free?

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