THE INDEPENDENT JEV FIELD GUIDE

Build with Jev.
Start with one task.

Jev classifies text, scores candidates and answers yes/no questions. Learn the API, run a Python example and check the results.

Make your first request Explore examples

PYTHON EXAMPLES · API GUIDES · LOCAL TOOLS

first-decision.jsonJEV / CHOICE

{
  "model": "jev-latest",
  "state": "Where is my order?",
  "questions": {
    "team": {
      "type": "choice",
      "instructions": "Choose a support team",
      "criteria": {
        "shipping": "Delivery and tracking",
        "billing": "Payments and invoices"
      }
    }
  }
}

■ STRUCTURED INPUT■ ONE SMALL DECISIONBUILD REQUEST ↗

WATCH / COMMUNITY DEMO

Watch Jev on Android.

Play the Android-agent demo here. For official comparisons, Doom and Wikiracing, open the video collection.

Explore four video demos →

By droidrun / Mobile Jev contributors. The recording stops at payment selection.

Use the play control to watch here, or open the original video above.

Eight ways developers are using Jev.

Browser actions, email routing, coding-agent checks and more, with original projects and evidence notes.

Explore community use cases →

Go straight to the source.

11 official articles, patterns and evaluations, with summaries and related guides.

Explore official resources ↗

INTEGRATION GUIDES & NOTESPythonNode.js / TypeScriptCloudflare WorkersVercelMCP

01 / FIND YOUR PATH

What are you here to do?

PICK A STARTING POINT ↓

Understand Jev

The model, the primitives, and where it fits.

Run a Python example

Start locally, then try your own data with a key.

Connect your stack

Practical paths into the tools you already use.

Choose an approach

Jev, a text model, rules or a trained classifier.

02 / LEARN BY DOING

Choose a task to try

START HERE · PYTHON EXAMPLE

Route a support request

Suggest a support team, or ask for review when the request is unclear.

user request→Choice→handler / review

Build a tool router

CLASSIFICATION / PYTHON EXAMPLE

Classify support tickets

Compare expected labels with predictions and inspect errors.

RETRIEVAL / PYTHON EXAMPLE

Rerank search results

Score candidate passages and check the top two.

RELIABILITY / PYTHON EXAMPLE

Flag possible threats

Try a review policy with two example cutoffs.

ABOUT THIS SITE

The Python demos use supplied answers. Read what was tested before interpreting their results.

Our methodology