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pgvector Pricing 2026

Plans, hidden costs, and cheaper alternatives compared

Pricing verifiedMay 2026
1 plans tracked·Updated May 2026

Is pgvector worth the price?

100/10

pgvector's pricing is exceptionally generous, being entirely free and open-source.

This makes it an incredibly fair and accessible option for anyone needing vector similarity search. It's best for developers and organizations looking for a cost-effective, self-hosted solution with full control.

Pricing Plans

Open Source

Free

  • Full source code access
  • Other license
  • Community support
  • Self-hosted

Hidden Costs & Gotchas

Infrastructure costs for hosting PostgreSQL

Operational overhead for maintenance

No dedicated vendor support

Scaling costs for large datasets

Which Plan Do You Need?

Developers needing vector search

Cost-conscious organizations

Users preferring self-hosting

How pgvector Compares to Competitors

Unlike managed vector databases like Pinecone or Weaviate, which typically start with free tiers but quickly scale to hundreds or thousands of dollars per month based on usage, pgvector is fundamentally free. This makes it a significantly more cost-effective choice for those willing to manage their own infrastructure, as competitors often charge for vector storage, queries, and indexing.

pgvector Pricing FAQ

How much does pgvector cost?

pgvector is free to use. No subscription or one-time fee is required for the core product.

Does pgvector have a free plan?

Yes. pgvector offers a free plan called "Open Source". It includes: Full source code access, Other license, Community support.

Is there a cheaper alternative to pgvector?

Yes. Popular alternatives to pgvector include Milvus, Weaviate, Pinecone, Qdrant. Free alternatives include Milvus, Weaviate, Pinecone. Compare them side-by-side on Toolradar.

Cheaper alternatives to pgvector

5 of 6 direct competitors below offer a free plan. Per-seat pricing varies up to 60% across this set.