AI API Cost Calculator

Estimate API pricing for ChatGPT, Claude, and Gemini. Convert word counts to tokens seamlessly.

OpenAI API Calculator

Select your desired model to view pricing and calculate your workload cost.

Estimated API Cost
$ 0.00
Total Cost
Prompt (Input) Cost
$ 0.00
@ $0.00 / 1M tokens
Completion (Output) Cost
$ 0.00
@ $0.00 / 1M tokens
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Why Calculate LLM API Costs?

Building applications with Large Language Models (LLMs) requires careful budget management. Pricing structures vary wildly between OpenAI (ChatGPT), Anthropic (Claude), and Google (Gemini). Most providers charge per 1 Million tokens, splitting the price into "Input Tokens" (your prompt) and "Output Tokens" (the AI's response).

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