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Large Language ModelsAI Safety & AlignmentAI Business & IndustryTHE DECODERPublished: Sep 10, 2026, 22:01 JST2 min read

Meta's Muse agent shops and negotiates via WhatsApp, beats OpenAI to checkout

Meta's Muse agent shops and negotiates via WhatsApp, beats OpenAI to checkout

3 Key Points

  1. What happened

    Meta launched Muse, an AI agent controlled through WhatsApp that books travel, shops, sends emails, and negotiates prices. It runs on its own virtual machine and is the first AI agent covered by Stripe's Link purchase protection.

  2. Why it matters

    OpenAI stopped its direct payment feature in ChatGPT and handed checkout back to merchants, but Meta built the payment feature OpenAI walked away from. Link creates a one-time card per transaction, hiding real card details.

  3. What to watch

    Muse's claim of negotiating lower bills or higher car sale prices is unverified, and security researchers have shown agentic systems can be hijacked through manipulated content. Meta hasn't shared robustness numbers.

WHO IT HITSConsumers using WhatsApp for shopping and travel bookings gain an AI assistant that can transact on their behalf, while merchants and payment processors face a new checkout channel. Security teams evaluating agentic AI deployments will scrutinize Meta's isolation architecture.

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Context & Analysis

Meta's Muse arrives as the company pushes what it calls "personal superintelligence," a theme Zuckerberg made central to a recent essay. The agent's model, Muse Spark, has improved sharply: released in April at 31 points on Artificial Analysis Intelligence Index v4.3, version 1.3 now reaches 44 points on the xhigh tier and 48 on the max tier.

Muse is likely based on Hatch, an agent Meta was reportedly training in May on simulations of real sites like DoorDash, Etsy, and Reddit. The launch puts Meta ahead of OpenAI on payments; OpenAI stopped its direct checkout feature in ChatGPT after users researched products but didn't buy there.

Success hinges on two things: whether Muse's isolation architecture — a Secure VM and a separate Sentinel agent that clears every internet action — holds up against hijacking, and whether users trust an agent that can negotiate and transact on their behalf. Meta plans Muse Confidential VM later this year, which would encrypt the entire VM with a user-held key.

FAQ
How can I use Muse and when is it available?
Muse launches first in the US for iOS and Android, with a link to Meta's AI glasses to follow. Users get a free usage limit that refills regularly, and subscriptions are available for more.
How does Muse protect my payment details?
Muse pays through Link, Stripe's service, which creates a one-time card for each payment so real card details stay hidden. Before a purchase, Muse asks for approval.
Does Meta use my Muse conversations for ads?
According to Meta, Muse doesn't share conversations and data from the VM with the company's ad systems. Users can opt out of letting Meta use their interactions to train AI models.

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