Muse vs Grok Bot vs Lucie

Three AI agents that take action, compared.

The short answer

Muse is a personal agent. Grok Bot is a team of work agents for business tasks. Lucie is a personal AI for your life. They solve different problems.

Muse, Meta’s personal agent, is for personal errands: emails, travel, shopping. It is US only and free to start and lives in its app and WhatsApp.

Grok Bot is for work. It gives you a team of bots that sign into your work apps and do jobs like updating a CRM. It comes with X Premium, Super and Ultra subscriptions.

Lucie takes action on your Mac and across your connected apps, and runs many agents that work on your goals in the background, with your approval at every important step. Its proactive support keeps your whole day in view and tells you what needs attention next.

Sources · How we compared

How Muse, Grok Bot and Lucie compare

Muse, Grok Bot and Lucie compared
MuseGrok BotLucie
Type of productPersonal agent for errandsWork agents for business tasksPersonal AI for your whole life
Questions and researchYesYesYes
Everyday requestsYesLimitedYes
Email and calendarVia integrationVia integrationYes
Connected appsVia integrationVia integrationVia integration
Multi-step tasksRequires approvalRequires approvalRequires approval
What it isA personal AI agent from Meta that runs errands on its own cloud computerA team of always-on work bots from xAI, each with its own cloud computerA personal AI assistant that gets things done and helps before you ask
How you use itChat in the Muse app or in WhatsAppMessage a bot from the desktop or iPhone appChat or talk in the Lucie app
What it does bestMulti-step errands: email, travel, shopping, forms. Keeps going after you close the appRepetitive work in web apps, including ones with no API: CRM updates, invoicesEmail, calendar, research, follow-ups and bookings, connected to your health and goals
Before it actsRequires approvalBy default it asks before important actions like sending email or buying. You can change thisRequires approvalApproval cards on by default; add “ask first” rules. A card saved in its Vault can pay without a separate approvalRequires approvalNothing is sent, booked or bought until you confirm
Proactive helpYesWorks in the background on goals you give it and pings you when it needs youYesAlways-on bots run routines and check back when they need a decisionYesProactive support reads your calendar, inbox, health and memory, and speaks up only when something matters
Connects toVia integrationGmail and other email, calendar, WhatsApp, Instagram, Facebook, Threads, Apple HealthVia integrationGmail, Google Calendar, Drive, Outlook, Slack, Notion, Stripe, X ChatVia integrationGmail, Outlook, iCloud, Google Calendar, Apple Health, Oura, WHOOP, Garmin and more
What users report on XUsers praise shopping and bill savings. Complaints: robot checks, slow tasks, a reported chat leakHeavy users like routines and calls. The loudest complaint is cost and usage limitsOur own product, so we left it out of this row. It is only on iPhone and Mac
Where it worksMobile, Mac and WhatsAppMac, Windows and iPhoneiPhone and Mac
Who can get itLimitedUS only, adults 18+. Card needed at sign-upLimitedPaid subscribers onlyYesOn the App Store and for Mac
PriceFree with usage limits; Power $20/mo; Maximum $100/moIncluded with X Premium, Super and Ultra. About $30 to $200/mo, per press. Not on Free or Plus7-day trial, then a subscription

How Muse, Grok Bot and Lucie differ

01Personal or work?

Muse

Personal errands, travel and shopping

Grok Bot

Work across web apps and CRMs

Lucie

Both: your inbox, meetings and whole day

02How does it ask permission?

Muse

Asks before sending or buying, by default

Grok Bot

Approval cards; a saved card can pay without asking

Lucie

Every important step waits for your yes

03How safe is the setup?

Muse

One isolated cloud computer per user

Grok Bot

Bots share one computer and its logins

Lucie

Encrypted at rest; the team can’t read it

04What does it cost?

Muse

Free, then $20 or $100 a month

Grok Bot

With X Premium and up, about $30 to $200

Lucie

7-day trial, then a subscription

Reactive or proactive?

Most AI waits for you to ask, Lucie helps before you need to.

Muse

Yes

Works in the background on goals you give it and pings you when it needs you

Grok Bot

Yes

Always-on bots run routines and check back when they need a decision

Lucie

Yes

Proactive support reads your calendar, inbox, health and memory, and speaks up only when something matters

  • An important meeting tomorrow: it helps you prepare
  • An email that needs a reply: it drafts one for you
  • A restaurant that’s fully booked: it watches in the background and tells you when a table opens, even on another date
  • A friend’s birthday coming up: it suggests a gift and can order it with your OK
  • A request nobody answered: it follows up
  • A refund or insurance claim you’re owed: it spots it in your email and helps you claim it

Tasks are one part.
Knowing what matters next is the other.

Proactive support keeps your whole day in view.

You see every step.
It waits for your yes.

On your Mac, Lucie works in your browser and apps. A small companion shows what it is doing, and you can pause, stop or approve at any point.

See what Lucie can do on a Mac

Ready for tomorrow, before you ask.

Lucie notices the important meeting on your calendar and pulls together what you need to walk in prepared.

Muse, Grok Bot and Lucie, feature by feature

Feature comparison including Lucie
MuseGrok BotLucie
Type of productPersonal agent for errandsWork agents for business tasksPersonal AI for your whole life
How you use itMuse app or WhatsAppDesktop or iPhone appChat or talk in the Lucie app
EmailVia integrationGmail and other email; asks before sending by defaultVia integrationGmail and Outlook; mail started by a routine waits as a draftYesGmail, iCloud Mail and Outlook: inbox overview, drafts and follow-ups. You send
CalendarVia integrationConnects to calendarVia integrationGoogle and Microsoft calendarsYesGoogle, iCloud and Outlook calendars. Morning briefing and day-ahead plan
Taking actionsRequires approvalErrands on a cloud computer; asks before important actions by defaultRequires approvalWorks in web apps; approval cards by defaultRequires approvalBooks tables, buys tickets, places orders, drafts replies and works on your Mac. Only after you confirm
Background agentsYesOne agent with its own cloud computerYesA team of bots, each with its own cloud computerYesMany agents that work on your goals in the background
Proactive helpYesWorks in the background on goals you give it and pings you when it needs youYesAlways-on bots run routines and check back when they need a decisionYesProactive support reads your calendar, inbox, health and memory, and speaks up only when something matters
Personal memoryYesYes, per pressLimitedBots remember their own tasks, not you as a personYesRemembers what matters. You can review, edit or remove it, and import a ChatGPT export
Sleep insightsLimitedCan read Apple Health; dedicated sleep features not confirmedNot currently supportedYesSleep duration, stages and history, with patterns you can ask about
Workout supportNot currently supportedNot currently supportedYesWorkouts and a weekly plan around your recovery
Meal trackingNot currently supportedNot currently supportedYesSend a photo of a meal for calories and macros, linked to your day
Focus and app blockingNot currently supportedNot currently supportedYesFocus sessions, app and website blocking, daily allowances. Within iOS and macOS limits
WearablesLimitedApple Health onlyNot currently supportedVia integrationApple Health, Oura, WHOOP, Garmin, Polar, Suunto, Fitbit, Google Health Connect
PlatformsMobile, Mac, WhatsAppMac, Windows, iPhoneiPhone (iOS 18+) and Mac (macOS 14+, Apple silicon)

What happens to your data?

Privacy and data, side by side
MuseGrok BotLucie
Is advertising part of the business?Meta is ad-funded. Muse chats and cloud-computer data are not shared with Meta’s ad systems, per MetaxAI’s privacy policy lists targeted advertising among its uses of dataNoNo ads, and it never sells your data. Paid by subscription
Can your chats train its models?YesOn by default when you start using Muse, per its privacy pageLimitedFollows your Cursor Privacy Mode setting; the default is not statedNoNo. Lucie does not train on your chats
Can you opt out of training?YesYes, under Settings > Data controlsYesTurn on Privacy ModeNothing to opt out of. You also choose what to connect and can disconnect any source
Can you delete your data?YesDelete messages and files, ask it to forget, or reset MuseYesDelete the account; data deleted within 30 days under its termsYesEdit or remove memories; request deletion of your account and data
What does it connect to?Email, calendar, Meta apps, Apple Health; a browser on its cloud computerWork suites, code and social accounts; a browser on a shared cloud computerMail, calendars, contacts, tasks, wearables and Screen Time, each with its own permission
Where is data stored?A dedicated cloud computer per user. Country not publishedCloud computers run in the USMade and hosted in the EU: servers and team offices are in Europe. The holding company is in Delaware, US
What happens before it acts?Requires approvalAsks before important actions by default; adjustableRequires approvalApproval cards by default; Vault card payments may not askRequires approvalNothing is sent, booked or bought until you confirm

Read the privacy policies yourself: Muse · Grok Bot · Lucie

Price and who can get it

Muse

Free with usage limits. Power $20/mo. Maximum $100/mo.

US only, adults 18+. Card needed at sign-up.

Grok Bot

Included with X Premium, Super and Ultra subscriptions. About $30 to $200/mo, per press.

Paid subscribers. Not on X Free or Plus.

Lucie

7-day trial, then a subscription. See the App Store for prices where you live.

On the App Store and for Mac.

Also built in: health, focus and wellbeing

Lucie connects your body to your plans.

See where your day actually went.

Lucie shows how your time was split across apps and websites, and helps you set a daily focus goal.

Explore focus and attention

Our honest take

Pick Muse when

  • Your errands are personal: bookings, shopping, email
  • You want to start free, in the US
  • You don’t mind trusting your data and attention to Meta, an ad-funded company

Pick Grok Bot when

  • You want bots to do repetitive work in web apps
  • You already pay for X Premium, Super or Ultra
  • Your work lives in Gmail, Slack, Notion or Stripe

Pick Lucie when

  • You want everything they do: errands, email, calendar and bookings
  • You also want your health, sleep and relationships connected to your plans
  • You want it all in one place, with your data kept private
  • Personal errands in the US?Muse. Free to start and built for everyday tasks.
  • Repetitive work across web apps?Grok Bot, if you already pay for X Premium or above.
  • Want agents for your life, not only work?Lucie. Many agents, Mac actions with approvals, and proactive support that keeps your day in view. It is not a team of work bots for your CRM.

What people report on X

Muse

What works

What goes wrong

Grok Bot

What works

What goes wrong

Your life is more than a to-do list.

Your inbox, calendar, sleep and workouts in one AI.

iPhone and Mac.

Questions people ask

Is Grok Bot the same as Grok?

No. Grok Bot is xAI’s app of always-on work bots with their own cloud computers. Grok is xAI’s chatbot.

What is Lucie’s proactive support?

Proactive support is how Lucie helps before you ask. It connects signals from your calendar, email, health and daily life, recognises what matters and suggests the next step. Anything it sends, books or changes waits for your yes.

Is Muse or Grok Bot better?

Muse is better for personal errands and is free to start. Grok Bot is better for work across web apps, on a paid plan.

How much does Grok Bot cost?

Grok Bot is included with X Premium, Super and Ultra subscriptions, per xAI. Those cost about $30 to $200 a month, per press. It is not on Free or Plus.

Who can use Muse?

Muse is US only for now, for adults 18 and over.

Does Lucie work on Windows or Android?

No. Lucie is on iPhone and Mac.

Related comparisons

Sources

How we compared. We read each product’s own website, help pages, terms and privacy policy, then reputable press where official pages were missing or unreachable. Anything we could not confirm is labelled. Lucie is our product, so we have tried to describe the others the way we would want to be described. The Lucie screens on this page are illustrations, not screenshots.