USearch
Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
USearch is a compact single-file vector search engine with bindings for a dozen languages, designed for speed and a minimal footprint.
From the README
- ✅ [10x faster][faster-than-faiss] [HNSW][hnsw-algorithm] implementation than [FAISS][faiss].
- ✅ Simple and extensible [single C++11 header][usearch-header] library.
- ✅ Trusted by giants like Google and DBs like [ClickHouse][clickhouse-docs] & [DuckDB][duckdb-docs].
- ✅ [SIMD][simd]-optimized and user-defined metrics with JIT compilation.
- ✅ Hardware-agnostic bf16, e5m2, & i8 - half-precision & quarter-precision support.
- ✅ View large indexes from disk without loading into RAM.
Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.
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Free · no card · unsubscribe anytimeFast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
USearch has 4.3k stars on GitHub. It has been forked 343 times. USearch is written mainly in C++. It has been in active development since 2023. USearch is available under the Apache-2.0 license. Its main topics are approximate-nearest-neighbor-search, clustering, database, faiss.
Read the full guideWhat is USearch?
Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
Is USearch open source?
USearch is an open-source project. It is released under the Apache-2.0 license.
Is USearch free?
Yes. USearch is free and open source — you can use, modify and self-host it.
What license does USearch use?
USearch is available under the Apache-2.0 license.
What language is USearch written in?
USearch is written mainly in C++.
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