Show HN: Fastembed-rs – Rust library for generating vector embeddings, reranking

Category: library

Tags: embeddings, onnx, reranking, rust, vector-search

Score: 6.5/10 (Innovation: 5, Technical: 7, Documentation: 7, Utility: 7)

Fastembed-rs is a Rust library that provides local generation of vector embeddings and reranking using ONNX runtime, supporting a wide range of text, image, and sparse models. It is interesting because it brings performant, dependency-free embedding generation to Rust with synchronous usage, enabling efficient RAG pipelines and semantic search without external API calls.

Target audience: backend devs, data engineers, ml engineers

Repository: https://github.com/Anush008/fastembed-rs · Rust · Apache-2.0 · 924 stars

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