AI API Token Cost Calculator
Monthly cost of an AI feature from requests, tokens and per-million pricing.
How to use the AI API Token Cost Calculator
- Enter your figures in the fields above — results update instantly as you type.
- Choose your currency symbol (the maths is the same in any currency).
- Use Share result to save a link that reloads your exact inputs, or Print for your records.
- Compare scenarios by changing one input at a time and noting how the main result moves.
Formula
Cost/request = Input tokens × Input price/1M + Output tokens × Output price/1M Monthly = Cost/request × Requests/day × 30Worked example
1,000 requests a day with 800 input and 400 output tokens at 3 and 15 per million costs 0.0084 per request, about 252 a month.
Frequently asked questions
How do I cut costs?
Trim system prompts, cache repeated context where your provider supports it, cap output length and route simple tasks to smaller models.
What is a token?
Roughly ¾ of an English word on average; exact counts depend on the model's tokenizer.
Learn more
Assumptions & limits
Results are estimates based on the inputs you provide and the formula shown, rounded for display. They do not account for every fee, tax rule or market condition. This tool is educational and is not financial, tax or legal advice — confirm important decisions with a qualified professional.
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