Scann

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library 1.4.2 ·python
verified May 26, 2026

ScaNN (Scalable Nearest Neighbors) is a library by Google Research for efficient vector similarity search at scale, implementing techniques like search space pruning and quantization. It offers both Python and TensorFlow APIs and is known for its speed and scalability with large datasets. The current version is 1.4.2, actively maintained, and released through PyPI.

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