AI-Adjacent Utilities
Free online AI utilities: LLM token counter, prompt template builder and LLM API cost calculator.
Estimate how many tokens a prompt will use, build reusable prompt templates with placeholders, and estimate the cost of an LLM API call from input and output tokens.
These are planning aids that run in your browser. Exact token counts and prices depend on the model and provider.
LLM Cost Calculator
AI-Adjacent Utilities
Estimate the cost of an LLM API call from input and output token counts,…
Prompt Template Builder
AI-Adjacent Utilities
Fill in {{placeholder}} variables in a prompt template to generate the final prompt text…
Token Counter
AI-Adjacent Utilities
Estimate how many LLM tokens a piece of text will use, with both character-based…
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Frequently asked questions
Is the token count exact?
No. It is an estimate because every model tokenizes text differently.
Where do the prices come from?
They are published prices shown on the tool page. Always check the provider for current pricing.
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