Meta’s Muse: The AI Assistant That’s Eating Google’s Lunch

Meta’s latest AI assistant, Muse, is reshaping the digital landscape, stealing users from Google Search and boosting Meta’s ad revenue. But at what cost?

In October 2026, Meta Platforms Inc. reported a 26% year-over-year revenue jump, hitting $64.6 billion for Q3. The star of the show? Muse, Meta’s new AI assistant. While Google struggles to keep up with the AI revolution, Meta’s Muse is quietly cannibalizing search queries, driving users to Meta’s platforms, and turbocharging its advertising business. But with free cash flow turning negative and capex soaring, the question isn’t just whether Muse is a hit—it’s whether Meta can afford it.

The Muse Effect: How Meta’s AI Assistant Is Reshaping Search

Meta’s Muse launched in late August 2026, and within six weeks, it had already amassed 10 million users in the U.S. and Canada alone. Unlike traditional search engines, Muse acts as a personal assistant, answering questions, making recommendations, and even completing transactions. This shift has been a boon for Meta’s advertising business, which saw a 26% revenue increase in Q3, while Google’s search revenue grew just 12% [1].

The reason? Every question answered by Muse is one less query for Google. According to Meta CEO Mark Zuckerberg, Muse’s early adoption has been driven by its ability to handle complex tasks, from shopping to travel planning. In fact, over 25% of Muse users engage in commerce, with average purchases exceeding $200 [2].

The Cost of Superintelligence: Negative Free Cash Flow and Soaring Capex

But Muse doesn’t come cheap. Meta’s Q3 capital expenditures hit $34.9 billion, contributing to a negative free cash flow of $2.12 billion. This is part of Meta’s broader AI infrastructure buildout, which includes investments in data centers, compute capacity, and model training. The company’s full-year capex guidance now stands at $135-145 billion, up $5 billion from the previous quarter [3].

S&P Global Ratings has taken notice, revising Meta’s outlook from stable to negative. The agency cited “uncertainty” around Meta’s ability to monetize its AI investments and the potential for free cash flow to remain negative beyond 2028. Meta’s leverage is also expected to rise, driven by its ambitious capex plans [4].

The Google Problem: Search Cannibalization and the Rise of AI Assistants

Google’s search business is feeling the pinch. As users increasingly turn to AI assistants like Muse and ChatGPT, the traditional search engine model is under threat. Google’s Q3 search revenue growth slowed to 12%, its weakest performance in years. Meanwhile, Meta’s ad revenue surged, driven by stronger engagement and improved targeting tools powered by AI [5].

Analysts warn that Google’s search business could face “catastrophic” disruption if AI assistants continue to gain traction. Nate Elliott of Emarketer notes that “every product question answered inside an assistant is one that never becomes a search or a feed impression.” This shift is already reshaping the digital advertising landscape, with Meta emerging as a clear beneficiary [6].

What’s Next for Meta?

Meta’s focus on AI is paying off, but the road ahead is fraught with challenges. The company expects Reality Labs losses to narrow to $18-19 billion in 2026, down from $22 billion in 2025. Meanwhile, Muse’s monetization strategy—combining transaction fees, premium subscriptions, and enterprise services—is still in its early stages [7].

As Meta continues to invest heavily in AI, investors will be watching closely to see whether Muse can deliver sustainable returns. With capex soaring and free cash flow under pressure, the stakes couldn’t be higher.