The self-reference test
JEV JUDGES JEV.
Spot the differenceThere isn't one

So, what is this?
Should Jev decide if you should use Jev?
Describe a task. Jev gives itself a YES or NO, a probability, and a response time.
It's a playful self-check, not a benchmark or a promise that Jev can do the job.
Launch Jev
One task in. One awkward answer out.