AI / LLM

Token counters, prompt helpers and cost estimates, for working with a model without guessing what it will charge.

2 tools in 2 groups

Token Counters

1 tool

AI Token Counter

Estimate tokens for GPT, Claude, Gemini and more, see a colored token breakdown, and price each model, all in your browser.

Model Utilities

1 tool

AI Prompt Cost Calculator

Compare the API cost of the same prompt across GPT-4o, Claude, Gemini and more, with built-in model pricing, a batch-API discount, and a shareable link.