#72 · Primary category: Knowledge Base & RAG

fastembed

embeddings openai rag retrieval retrieval-augmented-generation vector-search

Fast, Accurate, Lightweight Python library to make State of the Art Embedding

Project last updated:08/26/26

GitHub Stars

3.2K

Forks

239

Contributors

31

License

Apache-2.0

Why we included this project

FastEmbed keeps the embedding step light by running compact models on ONNX Runtime, so you can turn text into vectors without a GPU or a full PyTorch install. That makes it a comfortable fit for serverless runtimes and small services where dependency weight matters. The default TextEmbedding model is Flag Embedding, which uses separate query and passage prefixes, and the API stays simple: documents in, a generator of vectors out. If you are wiring up retrieval or vector search and want embeddings that come fast without dragging in heavy machinery, this is a practical starting point.

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