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Latest research · Beyond the Scaling Ceiling →

Say what you want to happen.

Vext Labs is an independent AI research lab and the maker of JUWEL.

Try JUWEL Explore our research

Begin a conversation in JUWEL.

JUWEL is the AI you talk to, made by Vext Labs. Describe the task you want help with and the outcome you have in mind. See current access and tools on juwel.ai. Plans and prices are on the pricing page.

Try JUWEL
Screenshot of the JUWEL front door on juwel.ai as a guest, taken 2026-10-17. It asks “What are we doing today?” and shows two starter buttons and a message box.

Screenshot of juwel.ai, guest view, 2026-10-17

How it works

Ask. Approve. Check.

  1. Ask

    Start typing. You get a first reply before you sign up.

  2. Approve

    Connected actions wait for your yes. Today the server-gated set is a calendar event and a mail draft.

  3. Check

    History you can read, and a signed record for tool results that carry one.

How approvals work →

Two ways in

In the browser or from your tools.

  • In the browser.

    • A first reply before you sign up
    • Private chat when you want it
    • Memory you control
    Try JUWEL

  • Headless, from your tools.

    • An MCP endpoint
    • Direct tool calls
    • A CLI bridge
    • Scoped keys you can revoke
    Headless JUWEL

Research / the evidence

New from the lab.

All research →

Trust you can check

  1. It asks before it acts.

    Connected actions wait for your approval. Today that covers a calendar event and a mail draft.

  2. Receipts you can verify yourself.

    Tool results on the x402 route carry a signed receipt, and the public keys are on juwel.ai.

  3. Your data, your call.

    We do not sell personal data or train a general model on the content of your instance. Memory is off until you turn it on.

Trust and privacy →

Common questions

Plain answers.

What is JUWEL?

JUWEL is the AI you talk to, made by Vext Labs. It lives at juwel.ai.

What are Gems and Stones?

Gems are the AI models we are building for JUWEL. Stones are helpers that do tasks for you. Neither is a shipped feature yet.

What does JUWEL cost?

JUWEL has a free plan, a Pro plan and an Enterprise plan. The pricing page lists them.

Is my data used for training?

We do not train a general model on the content of your instance, and we do not sell personal data. Memory is off until you turn it on. The privacy notice on juwel.ai has the full text.

Where do I get help?

Email juwel@vextlabs.ai. The support page says what to include.

All questions →

Vext Labs / the lab

We research intelligence and build JUWEL around human intent.

Meet the lab