Benchmarks & research

jev-browse

@kyrylosyzonenko3JavaScriptMITupdated 2026-09-17runnable

jev-browse is an unofficial project and isn't affiliated with TypeSafe or Vercel.

kyrylosyzonenko/jev-browse

Where it calls Jev

import { TypeSafeClient } from "@typesafe-ai/sdk";

jev-browse.mjs:6

The link points at the commit we read, so the line number still holds.

What it asks Jev

These question sets are lifted from this project's source exactly as written.

from jev-browse.mjs:147

  1. donetrue/false

    Is `current_page` the page that `goal` asks to reach?

  2. blockedtrue/false

    Does reaching `goal` from `current_page` require an action listed in `agent.cannot`?

Run it on your own text

The code
import { experimental_evaluate as evaluate } from 'ai';

const { answers } = await evaluate({
  model: 'typesafe-ai/jev',
  state,
  questions: {
    done: { type: 'boolean', instructions: 'Is `current_page` the page that `goal` asks to reach?' },
    blocked: { type: 'boolean', instructions: 'Does reaching `goal` from `current_page` require an action listed in `agent.cannot`?' },
  },
});

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