Most teams discover their AI API bill after they've already built. Calibrait models the true cost of agentic AI workflows before you write a line of code. Unlike simple API calculators, Calibrait accounts for what actually drives agent costs: Context accumulation across steps (by step 8 you're paying 10× step 1) Tool call overhead Prompt caching and batch API discounts Real differences between providers Compare popular providers and self hosted costs. Export to PDF and csv.