Jev 101
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Jev 101

JEV White Paper

Understand Jev, then make your first reliable AI decision.

● ● ●first decision
01Evidence
02Jev judges
03Code acts

What is Jev good for?

Good fit

  • Sort support messages into shipping, returns, or refunds
  • Pick the most relevant item from a few documents
  • Send uncertain cases to a person

Poor fit

  • Write a full email or article
  • Calculate prices, count items, or compare dates
  • Work directly from images, audio, or video

Choose your starting point.

See the difference on one task.

Full comparison →
ONE TASK, DIFFERENT ROLESIllustrative fixtures · No API call
CUSTOMER MESSAGE“My parcel has not arrived. Can you check delivery?”
Use rules when conditions are explicit.
If text contains “delivery” → label shipping

Inspectable and testable, but synonyms, multiple intents and conflicting rules still need handling.

Not a model ranking. Generative models can also return structured data; this compares workflow roles.