What do you need to decide?
Explore Jev by use case: LLM-as-a-judge, agent evaluation, LLM routing, RAG evaluation, live web context and entity matching — each with a runnable example. Start with a working preset, adapt the questions, inspect the typed answers, then use the same shape in your application.
Evaluation & quality
Check generated answers and agent outcomes against the evidence and rules you supply.
LLM as a Judge
Give every AI answer a clear quality check.
Open tool & guide Evaluation & qualityAI Agent Evaluation
Check agent claims against what the tools actually did.
Open tool & guide Evaluation & qualityReview Scoring
Turn free-text reviews into a rating, a recommendation and an authenticity check.
Open tool & guideData matching
Compare records across sources and separate likely matches from cases that need review.
Retrieval & knowledge
Bring outside knowledge into a decision: fetch evidence, then let Jev weigh it.
RAG Evaluation
Check what retrieval hands to the model — before generation.
Open tool & guide Retrieval & knowledgeLive Web Context
Let live evidence change the answer.
Open tool & guide Retrieval & knowledgeContext Compaction
Decide what survives to the next step.
Open tool & guideRouting & decisions
Send each request to the right model, queue or tool, and know when to hand it to a person.
LLM Router
Right-size every request before the expensive call.
Open tool & guide Routing & decisionsSupport Triage
Every ticket lands in the right queue with a reason.
Open tool & guide Routing & decisionsTool-Call Guardrails
A probability gate between intent and side effect.
Open tool & guide Routing & decisionsContent Moderation
Allow, review or remove — with a severity your queue can sort on.
Open tool & guide Routing & decisionsIntent Classification
Know what the customer wants before the bot answers.
Open tool & guideOne decision model. Your own rules.
Use a noul for a yes/no probability, a choice for a fixed set of outcomes, or a score for an ordered rubric. Ask focused questions about the same input and combine the results in code.