Every tool is free, runs in your browser, and needs no signup. AI cost tools use verified model pricing; writing and SEO tools are fully private — nothing leaves your device.
Know exactly what your AI usage costs.
Single-model prompt, JSON & code cost estimator
Multi-model side-by-side prompt benchmarking
Users, traffic & team budget model
Caching, migration & batch savings
50% off async processing cost optimizer
Quality-per-dollar and speed leaderboards
Turn monthly usage into a shareable recap
Audit a billing CSV for cost leaks
The classics, done privately in your browser.
Length checkers with live SERP previews.
Want the numbers behind the tools?
Every AI cost tool runs on verified model pricing from the catalog — check the data yourself.