LLM InfrastructureOpen Source✦ Free Tier
LanceDB
Serverless vector DB built on Apache Arrow — embedded or cloud
⭐ 5,800 stars● Health 75 — ActiveApp Infrastructure
About
LanceDB is an open-source vector database built on the Lance columnar format, offering embedded usage (no server) and a serverless cloud option. It supports multimodal data, blazing-fast queries on large datasets, and seamless interop with pandas, PyArrow, and LangChain.
Choose LanceDB when…
- •want an embedded vector DB with no server to manage locally
- •working with multimodal data (images, audio, text)
- •need tight pandas/Arrow integration in Python
Builder Slot
What knowledge does your AI have?Optional for most stacks
The memory layer — stores and retrieves vector embeddings for RAG and semantic search
Dev Tools
Not applicable
App Infra
Optional
Hybrid
Optional
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Stack Genome Detection
AIchitect's Genome scanner detects LanceDB in your project via these signals:
npm packages
vectordb@lancedb/lancedbpip packages
lancedbAlternatives to consider (1)
Pricing
✦ Free tier available
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