RAG without a vector database: fastembed + numpy, cosine by hand
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title: RAG without a vector database: fastembed + numpy, cosine by hand published: false description: "JobCopilot part 2: I skipped the vector database. A 33 MB embedding model, numpy, one dot product — and one retrieval bug a tutorial gave me for free." tags: python, ai, fastembed, numpy I'm build…
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- 2026-10-17 17:03 · DEV Community — AI
RAG without a vector database: fastembed + numpy, cosine by hand