All AI tools

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