ChatGPT Token Cost Calculator

Estimate your OpenAI API costs. Choose your model and enter your expected token usage to see real-time pricing estimates.

Total Cost = (Input Tokens × Input Rate) + (Output Tokens × Output Rate)
GPT-4o with 1,000 input and 500 output tokens: (1,000 × $0.0000025) + (500 × $0.00001) = $0.0075 per request.

How much does a ChatGPT conversation cost?

For Free and Plus users, individual conversations are included in the subscription. However, for API users (developers and businesses), cost is based on tokens. A typical conversation of 1,000 words costs between $0.001 and $0.03 depending on the model (GPT-4o vs GPT-4o-mini).

What is a token in ChatGPT?

A token is the basic unit of text processed by the AI. In English, 1,000 tokens is approximately 750 words. It includes not just words but also punctuation and spaces.

Is GPT-4o cheaper than GPT-4 Turbo?

Yes, GPT-4o is significantly more cost-effective than GPT-4 Turbo, and GPT-4o-mini is the most affordable high-intelligence model, costing roughly 1/15th the price of GPT-4o.

How can I calculate my monthly ChatGPT API spend?

To estimate monthly spend, multiply the average cost per request by the number of requests per day, then by 30. Our calculator does this automatically for you.

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AI API Cost per 1K Tokens
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AI Model Context Window
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AI Agent Workflow Cost