Free tools
AI & LLM
Cost, context and retrieval calculators.
Every tool runs entirely in your browser. Nothing you type is sent anywhere, nothing is stored, and none of them ask for an email.
AI & LLMFree
AI Token Cost Calculator
Model input and output tokens, request volume and caching to project monthly cost across model tiers.
1,020 runs
AI & LLMFree
RAG Chunking Calculator
Work out how many chunks a corpus produces, what retrieval depth fits your context window, and what indexing will cost.
840 runs