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Specialized storage and querying of high-dimensional embeddings on mobile operating systems.
Distinct from Embedded Storage Engines: No candidate covers the intersection of mobile platform deployment and vector embedding storage.
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sqlite-vec is a C-based vector library and SQLite extension that adds virtual tables for storing and querying high-dimensional embeddings. It functions as a database plugin for performing nearest neighbor searches using distance metrics such as L2, cosine, and Hamming distance. The project provides a portable embedding store that supports deployment across Android, iOS, desktop environments, and web browsers via WebAssembly. It distinguishes itself by converting numerical arrays into compact binary formats and utilizing quantization to reduce the memory footprint and storage size of vector in
The vector search extension provides pre-compiled libraries to enable high-dimensional vector search on Android and iOS hardware.