Firebolt Implements Native HNSW Vector Search
Firebolt describes native vector search indexing using HNSW and the USearch library to enable approximate nearest neighbor (ANN) queries over embeddings. The company says Similarweb reduced query latency by 100x, from tens of seconds to about 300 ms (99th percentile), enabling sub-second semantic search across hundreds of millions of vectors. Firebolt supports in-memory and disk-backed load strategies and exposes a SQL API for vector_search and index creation.
Scoring Rationale
Official, practical feature with measurable 100x latency gains; limited novelty beyond established ANN/HNSW techniques compared to prior solutions.
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