What is Lantern?
Lantern is an open-source Postgres vector database and toolkit for building AI applications. It adds vector search and BM25 to Postgres through extensions, so developers can skip a separate search engine. Lantern Cloud offers a hosted version with a free starting tier.
Key facts
- Pricing
- Freemium
- Free plan
- Yes
- Category
- Coding
- Website
- https://lantern.dev/
- Listing updated
- Nov 11, 2026
Lantern FAQ
What is Lantern?
Lantern is an open-source Postgres vector database and toolkit for building AI applications. It adds vector search and BM25 to Postgres through extensions, so developers can skip a separate search engine. Lantern Cloud offers a hosted version with a free starting tier.
Is Lantern free?
Yes. Lantern lists a free plan. Pricing: Freemium.
What are alternatives to Lantern?
Coding alternatives to Lantern include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.