PostgreSQL extension stack (pgvector + pgvectorscale + pgai) adding StreamingDiskANN for hybrid SQL+vector search with ACID transactions on existing Postgres infra. 11x QPS advantage over Qdrant at scale; cost-effective vs dedicated VDBs.
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Timescale Vector
Cloud solution for Postgres vector search.
471 QPS at 99% recall on 50M vectors vs Qdrant/Pinecone.
Timescale Cloud tiers; OSS extensions free.
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