YC-backed Wondersearch claims OpenAI-level retrieval on FiQA with no embeddings, no vector DB

antoine_chaffin · x · 2026-10-28

Wondersearch (YC-backed) launched today with a provocative claim: "Embeddings were a mistake." The product lets companies search everything they've ever written and find the exact line.

The team says it matched OpenAI's best embedding model on the FiQA benchmark without using a single embedding, no vector database, no chunking, and no re-indexing. If it holds up, this is a direct challenge to the vector-retrieval default in today's RAG and enterprise search stacks — method details and independent replication will be worth watching.

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