Token Counter: Tokens and API cost per model
Count tokens and estimate what a prompt costs on current AI models.
Tokens
AI Utilities
AI Utilities are free calculators and cleaners for working with AI models. Everything runs in your browser and nothing you paste is stored.
Token Counter
GPT Cleaner: Clean up copied AI text
Strip hidden characters and smart punctuation from copied AI text.
Text
Parameter Calculator: What each sampling setting does
See what temperature, top_p and penalty settings do to a model.
Settings
Temperature Guide: One prompt at three temperatures
Compare the same prompt at low, medium and high temperature.
Sampling
Learning about AI instead?
The AI glossary, courses and research explainers are in Learn, and ready-made prompts are in the prompt library. Model scores and prices are in AI Benchmarks.
AI Utilities FAQ
Are these AI utilities free?
Yes. They are free calculators and cleaners for working with AI models. Everything runs in your browser and nothing you paste is stored.
How do I estimate what a prompt costs?
Paste it into the Token Counter. It counts the tokens and estimates what the prompt costs on current AI models.
What do temperature and top_p settings do?
The Parameter Calculator shows what temperature, top_p and penalty settings do to a model, and the Temperature Guide compares the same prompt at low, medium and high temperature.
How do I clean text copied from an AI chat tool?
Paste it into GPT Cleaner. It strips hidden characters and smart punctuation from copied AI text.