helix-db

The premium Open Source alternative to Pinecone

🎯 Best for:Developers needing to combine structured relationship data with unstructured semantic search.
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AGPL-3.0License

What is helix-db?

Replaces separate graph and vector databases with a unified engine built in Rust for high-performance Retrieval-Augmented Generation (RAG). It enables simultaneous traversal of relational graphs and semantic vector searches in a single query.

Tech Stack
RustDatabase & Storage

Why helix-db?

  • Memory-efficient Rust core
  • Unified query interface
  • Low-latency vector indexing

Limitations

  • Early stage project
  • Limited community plugins
  • Requires Rust knowledge for deep customization
3/6/2026
Last Update
201
Forks
36
Issues
AGPL-3.0
License
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Competitor Cost
-$1,440
/ year (est. based on Pinecone)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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