Meta's Muse points to a large in-house search index, possibly LLM-powered end to end

gaganghotra_ · x · 2026-10-07

Based on Muse's progress, Meta appears to be building its own large-scale index and reranker stack. The open question: will Meta take the traditional search engineering route, or power indexing and reranking with LLMs at every stage — a potentially landmark shift to an LLM-native search architecture.

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