How much does a vector database cost per month?

A vector database can cost anywhere from $0 per month to several thousand dollars per month, depending on the provider, data size, query volume, performance requirements, and whether you use a managed cloud service or host it yourself. For a typical startup or small application, a reasonable initial budget is $25–$200/month. Vector database monthly cost estimates Provider Starting monthly cost Pricing model ------------------------ Chroma $0 Open source / hosted plans Qdrant $0 Free tier; paid…

1. Chroma
2. Qdrant — Flexible open-source solution: Qdrant.
3. Pinecone — Easy managed solution: Pinecone.
4. Weaviate — Managed solution with flexible indexing: Weaviate.
5. Supabase
6. PostgreSQL — Lowest cost: PostgreSQL + pgvector, especially if you already have PostgreSQL.

A vector database typically costs $0–$50/month for a prototype, $50–$500/month for a small production app, and $500–$4,000+/month for high-volume or enterprise workloads. The median listed price across several 2026 offerings is about $124/month. Use case Typical monthly cost ------: Local or self-hosted PostgreSQL/pgvector $0–$30 plus infrastructure Small managed database $20–$100 Around 1 million vectors with moderate traffic $40–$180 Dedicated production deployment $100–$900+ High-volume…

1. PostgreSQL
2. Pinecone — For example, a workload with 1 million 768-dimensional vectors and 100 queries per second is estimated at roughly $70–$150/month on Pinecone, $80–$180/month on Weaviate, or about $175/month for an RDS instance running…
3. Weaviate — For example, a workload with 1 million 768-dimensional vectors and 100 queries per second is estimated at roughly $70–$150/month on Pinecone, $80–$180/month on Weaviate, or about $175/month for an RDS instance running…

The monthly cost of a vector database varies widely depending on whether you use a free tier, a flat-rate developer plan, a fully managed pay-as-you-go cloud service, or an extension on an existing database .

1. Pinecone — Prices generally range from $0 to $500+ per month.[](https://tech-insider.org/ca/vector-database-comparison-pinecone-qdrant-weaviate-milvus-pgvector-2026/).
2. Qdrant — Examples: Pinecone Starter (Free tier for single projects/indexes), Qdrant Cloud Free Tier , and free tiers on Weaviate Cloud.[](https://qdrant.tech/pricing/)[](https://tech-insider.org/ca/vector-database-comparison-…
3. Weaviate — Examples: Pinecone Starter (Free tier for single projects/indexes), Qdrant Cloud Free Tier , and free tiers on Weaviate Cloud.[](https://qdrant.tech/pricing/)[](https://tech-insider.org/ca/vector-database-comparison-…
4. PostgreSQL — Prices generally range from $0 to $500+ per month.[](https://tech-insider.org/ca/vector-database-comparison-pinecone-qdrant-weaviate-milvus-pgvector-2026/).
5. Supabase — What you get: If you use pgvector on an existing PostgreSQL database (like on Supabase starting around $25/month or a dedicated Postgres host), you pay $0 extra for the vector capability itself —you only pay for the…