Last updated: 27 September 2026
Quick facts
| Detail | Answer |
|---|---|
| Product | Muse — Meta's personal AI agent |
| Referral code | 3KT385 |
| Reward | 1 billion Muse tokens for you and for the referrer |
| Join link | muse.ai/join (the link alone doesn't apply the code — you must redeem it) |
| Redemption deadline | Within 48 hours of creating your account |
| Where to redeem | App: Settings → Redeem token · Web: Settings → General → Usage → Redeem invite code |
| UK availability | Not officially — US and Canada only; UK users join via the VPN method below |
| Age requirement | 18+ |
Contents
- What is Muse?
- Is Muse available in the UK?
- How much does Muse cost?
- Muse vs ChatGPT vs Claude vs Gemini
- How to join Muse from the UK with a VPN
- How to redeem referral code 3KT385
- The 1 billion token reward, explained
- What to try first once you're in
- Muse UK referral FAQ
What is Muse?
Muse is Meta's personal AI agent, launched on September 8, 2026. The key word is agent, not chatbot. A chatbot answers when you ask. An agent acts: you tell Muse to book a trip and it opens the browser, compares options, and books — it doesn't hand you a list of flight websites. You tell it to sort your inbox, and it sorts it.
Each user gets their own agent running on its own dedicated computer that keeps working between conversations — even after you close the app. It can:
- Handle communication: triage email, manage calendars, draft and send messages (with your approval)
- Plan and book travel: research and book flights, hotels, and restaurants
- Shop and manage money: find products, compare prices, complete checkouts via linked payment methods
- Do deep research: multi-step web research with cited sources, not just quick answers
- Build things: documents, spreadsheets, presentations, simple web pages and apps
- Run scheduled jobs: price watches, reminders, and recurring checks while you're away
It's available as an iOS app, Android app, web app at muse.ai, and even as a contact in WhatsApp. Under the hood it runs on Muse Spark, Meta's own model family built for agentic work. Meta says the agent asks for explicit approval before sensitive actions like sending emails or spending money.
Disclosure: this post contains my personal referral code. If you sign up with it and redeem it, we both receive the referral reward shown on the invite screen. Nothing here is sponsored by Meta, and details can change — the invite screen is the source of truth for the current offer.
Is Muse available in the UK?
Not officially — not yet. Muse launched US-only on September 8, 2026, and has since expanded to Canada. Meta has announced no UK launch date and no waitlist at the time of writing.
Reporting on the rollout suggests the restriction is account-level rather than IP-level: the site loads fine from a UK connection, but signup is limited to supported regions, and the mobile apps only appear in the US App Store (with Canada following). That's exactly why the VPN method below focuses on web signup at muse.ai rather than the app stores.
If you'd rather not use a workaround, the honest alternative is simply to wait for the official UK launch — this guide will be updated when that happens.
How much does Muse cost?
Launch reporting lists three tiers (pricing in USD, reported at launch — verify in-app for current figures):
| Tier | Price | Who it's for |
|---|---|---|
| Free | $0 | Most users; covers everyday tasks |
| Power | $20/month | Heavy users who need more compute |
| Maximum | $100/month | Power users running many agents |
Meta's position, per launch interviews, is that the vast majority of users should manage within the free tier — the paid plans mainly cover compute costs for heavy usage rather than unlocking extra features. Note that some reports say a payment card is required at signup even on the free tier, since the agent is designed to take real-world actions. And this is precisely what makes the referral reward below so valuable: 1 billion bonus tokens on top of the free allowance.
Muse vs ChatGPT vs Claude vs Gemini
Short version for anyone deciding whether it's worth the VPN hassle:
- ChatGPT / Claude / Gemini are primarily conversational assistants — excellent at answering, writing, and reasoning, with agent-like features bolted on.
- Muse was built agent-first: every user gets a persistent computer, it works while you're away, and it's designed to complete multi-step tasks (bookings, purchases, inbox management) rather than advise you on them.
The practical difference: with a chatbot you get instructions; with Muse you get outcomes. If most of your AI use is "do this for me" rather than "tell me about this," that's the gap Muse is targeting.
How to join Muse from the UK with a VPN (step by step)
Honesty note first: this is a workaround, not the officially supported path. VPNs are legal in the UK, but Meta may change the rules or restrict accounts from unsupported regions at any time — one guide for another region explicitly warns readers to use such methods "at your own risk." With that understood, here is the method people are using:
Step 1: Connect a VPN to the US
Use any reputable VPN (NordVPN, ExpressVPN, Mullvad, ProtonVPN — free or paid). Connect to a United States server and keep it connected for the entire signup and redemption process.
Step 2: Sign up on the web, not the app store
The iOS/Android apps are only listed in supported-region app stores, so web signup is the practical route. With the VPN active, go to:
muse.ai/join
Create your account with your email (you must be 18+). You may be asked for a payment card during signup even on the free tier — that's normal for Muse, since the agent is built to take real-world actions.
Step 3: Redeem the code within 48 hours — this is the step people miss
Joining alone does not trigger the reward, and the join link does not apply the code automatically. You must redeem it manually:
- Mobile app: Settings → Redeem token → enter 3KT385 → confirm
- Web: Settings → General → Usage → Redeem invite code → enter 3KT385 → confirm
The redemption option only exists for the first 48 hours after you join. After that it disappears and the code can't be applied to that account. Do it immediately.
How to redeem referral code 3KT385 — checklist
- VPN connected to a US server (keep it on)
- Join at muse.ai/join
- Within 48 hours: Settings → Redeem token / Redeem invite code
- Enter 3KT385 exactly, confirm
- Check the 1 billion token credit on the invite/rewards screen
If the code reports as invalid, used up, or expired: invite codes have a limited number of redemptions each — a used-up code just means that code's allocation is gone. The error message on screen is the definitive answer; the code text alone doesn't prove anything.
The 1 billion token reward, explained
Muse runs on usage: the agent spends tokens as it works — browsing, researching, building documents. The free tier includes a regular allowance, and the referral bonus adds 1 billion tokens to both accounts — yours and the referrer's — per the current invite offer.
- Tokens are usage credits, not cash. They can't be withdrawn or transferred.
- The invite screen is the source of truth. If the number shown on your screen differs from 1 billion, your screen wins — offers and terms can change.
- Codes have redemption limits. Each code can only be redeemed a limited number of times, and there are caps on how many friends one user can invite. Early is better.
What to try first once you're in
- Give it a real job: "Plan a 4-day trip to Edinburgh under £600" — it researches, compares, and lays out bookable options.
- Connect your services: Gmail, Google Calendar, and other connectors let it work with your actual data instead of hypotheticals.
- Set a recurring watch: price drops, news monitoring, reminders — scheduled jobs run while you're away.
- Let it build: spreadsheets, reports, presentations, simple web pages — it produces proper artifacts, not just chat text.
- Try it in WhatsApp: Muse also works as a chat contact in WhatsApp — handy for quick tasks without opening another app.
- Then get your own code: once you're in, the app's Invite button gives you your own referral code to share.
Muse UK referral FAQ
Q: What is the Muse AI referral code?
A: 3KT385. Join at muse.ai/join, then redeem it in Settings within 48 hours. The join link alone doesn't apply it.
Q: How many free tokens do you get with a Muse referral code?
A: Under the current offer, 1 billion Muse tokens for the new user and 1 billion for the referrer. The invite screen is the source of truth — if it shows a different number, that number applies.
Q: Is Muse available in the UK?
A: Not officially. Muse launched in the US on September 8, 2026, and has expanded to Canada. Meta has announced no UK date. UK users are joining early via the VPN method in this guide.
Q: Is it legal to use a VPN to join Muse from the UK?
A: Yes — VPNs are legal in the UK. But it's not Meta's officially supported signup path, so treat it as an early-access workaround done at your own risk.
Q: Do I need a US phone number or app store account?
A: No. Use web signup at muse.ai with the VPN on — the mobile apps are only listed in supported-region app stores, so the web route avoids that problem entirely. You may be asked for a payment card at signup even on the free tier.
Q: How do I redeem a Muse invite code?
A: Within 48 hours of joining: mobile app → Settings → Redeem token; web → Settings → General → Usage → Redeem invite code. Enter the code and confirm.
Q: I joined more than 48 hours ago and forgot to redeem. Can I still get the tokens?
A: No — the redeem option disappears after 48 hours and can't be applied retroactively to that account.
Q: My code says invalid / used up / expired. What now?
A: Invite codes have limited redemptions each. A used-up code means its allocation is gone — you'll need a fresh code from someone else.
Q: How much does Muse cost per month?
A: Reported launch pricing: Free ($0), Power ($20/month), Maximum ($100/month). Meta says most users should manage within the free tier.
Q: When is Muse officially launching in the UK?
A: No date announced. This guide will be updated when that changes.
The bottom line
If you're in the UK and curious about the shift from chatbots to agents that actually do work, you don't have to wait for the official launch. VPN to the US, join at muse.ai/join, and redeem code 3KT385 within 48 hours — and we both start with 1 billion tokens.
Further reading: Muse AI referral code explained and Muse invite code details (Canada).
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