AI API Cost Calculator
AI & TechnologyCalculate the cost of using an LLM API based on input and output token volume and per-token pricing.
Total Cost
Total API cost for this volume of input and output tokens.
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AI & Technology calculators
Frequently Asked Questions
Why are input and output tokens priced differently?
Most LLM providers charge more for output tokens than input tokens, since generating text requires more computation per token than simply reading (processing) it.
How many tokens is a typical word?
As a rough rule of thumb, one token is approximately 4 characters or about 0.75 words in English — so 1 million tokens is roughly 750,000 words.
How can I reduce my AI API costs?
Common strategies include using a smaller/cheaper model for simpler tasks, caching repeated prompts, trimming unnecessary context, and setting output length limits to avoid unnecessarily long responses.
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