Small Tools for Building with Jev
Choose an answer shape or estimate cost without an API key.
Find your guide
Jev Cost Calculator
Estimate tokens per request, daily and monthly usage, monthly cost, and annual cost for direct or custom provider rates.
Which Jev Primitive Should I Use?
Choose the shape of your output and get a Choice, Score, Noul, or decomposition recommendation.
A useful starting point
These tools run locally in your browser. They do not invoke Jev, read credentials, or submit your calculator inputs to an application backend.