Countthetokensbeforeyoupayforthem
Each block above is a token: the chunk of text an AI model reads your message in, and charges you for. Measure your text, work out what an API will cost and build better prompts, free and without sign-up.
All AI tools
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AI API (LLM) Cost Calculator in USD
Estimate what a language model API costs from input tokens, output tokens and price per million tokens. Free.
USD per million tokens -
Token, Word and Character Counter for AI
Paste text and instantly get words, characters and an estimate of tokens for language models. Free, no sign-up.
about 4 characters per token -
AI Prompt Generator with Role, Task and Format
Build clear, structured prompts for ChatGPT, Claude or other models by setting role, task, format and tone. Free.
role + task + format