ggnn

The premium Open Source alternative to Faiss

🎯 Best for:High-throughput similarity search on large-scale vector datasets.
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What is ggnn?

Replaces CPU-bound vector search libraries with a high-performance GPU graph implementation. It utilizes a novel graph-based approach to achieve state-of-the-art recall and latency on massive datasets.

Tech Stack
CudaAI, ML & Data

Why ggnn?

  • State-of-the-art GPU performance
  • High recall accuracy
  • Efficient memory management

Limitations

  • Requires NVIDIA GPU hardware
  • Complex C++ build process
  • Steep learning curve for tuning
2/27/2026
Last Update
27
Forks
1
Issues
Apache-2.0
License
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Competitor Cost
-$1,440
/ year (est. based on Faiss)
Self-Hosted
$0
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Team Size10 Users
150+
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