RAG build vs buyRAG Build vs Buy: Buy the Index. Build the Eval Set.
At 5M chunks and 200,000 queries a month, a managed retrieval API costs about $400 a month and a per-seat search product lists at about $80,000. Neither number decides it — who owns permission sync does.
August 21, 2026 · 16 min readvector database pricingVector Database Pricing: Only pgvector Publishes a Rate
Modelled at three workload sizes on 18 August 2026: managed pgvector runs about $1,910/month at 10M vectors against Pinecone's $19,716 on-demand. But the real problem is that Pinecone's cheaper Dedicated Read Node rate and Qdrant Cloud's per-unit rates are not published anywhere.
August 18, 2026 · 15 min readself-hosted vector databaseSelf-Host the Vector DB for Residency. Not for the Bill.
Self-hosting 50 million vectors costs about $1,533/month in reserved compute and roughly $1,800/month in the engineer who runs it. The right reasons to leave a managed vector database are residency, licence and re-pricing risk — not the invoice.
August 15, 2026 · 18 min readpgvectorPinecone vs Weaviate vs pgvector: Stay on Postgres
At 10 million vectors and 20 million queries a month, Pinecone bills $20,557 against one namespace and $157 against a thousand. The shape of your data, not its size, decides whether you need a dedicated vector store at all.
August 2, 2026 · 14 min read