ariso
Start free
Ari vs Meta Muse

Muse is Meta’s. Ari is yours.

The always-on AI chief of staff, built by cybersecurity experts.

Start free — no cardSee how the privacy works
  • SOC 2 Type II
  • Google CASA certified
  • Never trains on your data
  • Encrypted with a key unique to you
Side by side

Who do you want running your life?

Every claim about Muse is footnoted. Check our work.

Ari by Ariso compared with Meta Muse
Who’s behind itCybersecurity engineersWho’ve defended critical banking systemsMeta, an advertising company1
How they make moneySubscriptionsAds + subscriptionsMeta’s business is ads. Muse is free to start, with paid plans as you use it more.1 Meta says Muse doesn’t share your conversations or data with its ads systems.1
EncryptionYour key. Your data. Your Ari.Every message encrypted with a key unique to youRuns in what Meta calls a “Muse Secure VM”2An encrypted version is promised for later in 2026.2
Trains AI on your dataNeverNot shared, not pooledUnless you opt out“People can also opt out of their interactions being used to train Meta’s AI models.”3
Built forYour work & lifeMeetings, todos, plans, and the people in bothPersonal errandsShopping, bills, bookings, forms1
On its ownBriefings, meeting prep, check-ins, auto-managed todosLearns from you and your conversations over time, and from your meetings, mail and prioritiesSuggestions, unpromptedLearned from your conversations over time1
Where it reaches youWhere you already areiMessage, text, group chats, Slack, Teams, email and the web. Mobile app coming soon.Its own apps, and Meta’sIts iOS and Android apps, the web and WhatsApp, with Meta’s glasses next1
The team

Built by cybersecurity experts

Ari’s team built one of the industry’s most respected cybersecurity platforms and has defended critical banking systems. An assistant that reads your calendar and mail should be built by people who’ve spent careers keeping attackers out.

  • Erkang Zheng

    Founder & CEO

    Founded JupiterOne, one of the industry’s most respected cybersecurity platforms. Before that, built systems at Fidelity, IBM and Cisco.

  • Max Heckel

    Founding Engineer & CTO

    Engineering at Google, McGraw Hill and JupiterOne. Created SciSummary.

  • Shawn Zhu

    Founding Engineer, AIOps & Research

    IBM, LifeOmic and FountainLife. Co-created the Zori AI medical assistant.

“We built Ari the way I learned to build systems at JupiterOne, at Fidelity, at IBM, at Cisco: security is the foundation, not the frosting.”
Erkang Zheng, in Building Trust in AI Companions

Meet the team How Ari is secured

What Ari does on its own

Always on. Never snooping.

Ari works in the background on what you’ve connected, and stops where you’d want it to.

  • A brief before every meeting

    Who you’re meeting, what was said last time and what you promised, waiting for you before you walk in.

    Reads only the calendar and mail you connect.

  • Todos that close themselves

    What you promised, and what others promised you, becomes a todo. Ari reminds you, or them, and checks it off when it sees it’s done.

    Never used to train a model.

  • Keeps you in touch

    Each week Ari picks a few people worth getting back in touch with, and says why now: “You’re hiring a Head of Sales; Priya built Stripe’s.”

    Your conversations aren’t shared with your employer.

The coverage

What’s been reported about Muse

In the reporters’ words, with their sources. Judge for yourself.

  • Forkast reported that internal posts describe Muse “stalling, stopping page refreshes after 15 minutes, and silently ignoring errors.”2
  • Forkast also reported, citing unnamed reports, that the agent “has struggled with guardrail bypasses.”2
  • According to Forkast, Meta’s VP of AI Products, Vishal Shah, said the company delayed Muse’s April 2026 release to improve security.2
  • Meta’s answer: Muse runs in a dedicated “Muse Secure VM,” with a separate Sentinel agent that monitors its actions and asks before high-risk tasks,2 and Muse can’t see your passwords or payment methods.1
FAQ

Questions, answered

Is Ari free?
Yes, to start, and with no credit card. When you want more, Base is under $1 a day ($25 a month, billed annually) and Pro is $100 a month.
What can Ari access?
Only what you connect: typically your calendar, mail, drive and tasks, plus whatever you tell it. Nothing else.
Can I use Ari and Muse together?
Yes. Nothing in Ari stops you, and they aim at different jobs: Muse at errands like shopping and bills, Ari at your work, from meetings and follow-ups to your priorities and your team. Just keep the work with Ari.
Who can read my data?
You, and Ari, to do the work. Your data is encrypted with a key unique to you, Ariso staff can’t view it unless you authorize it for support, and it’s never used to train models. Close your account and its key is deleted, so what’s left is unreadable. The details are in our privacy policy and list of subprocessors.

Your agent should work for you, not an ad company.

Free. No card. No Meta.

Start free — no card
Bringing your team? Book a demo

Sources

  1. 1.Sarah Perez, “Meta debuts its Muse AI agent. Will consumers trust it?”, TechCrunch, September 8, 2026.
  2. 2.Mila Cohen, “Meta’s Muse Launches as the Biggest Cross-App AI Agent Yet—With a Security Disclosure Problem”, Forkast, September 8, 2026.
  3. 3.Meta, “Introducing Muse: The World’s First Personal AI Agent Built for Everyone”, Meta Newsroom, September 8, 2026.

Meta and Muse are trademarks of Meta Platforms, Inc. Ariso is not affiliated with Meta. Comparison based on public information as of October 2026.