Building Vector Search? Why FAISS Alone Isn’t Enough

📰 Towards AI

Author(s): Tina Sharma Originally published on Towards AI. What FAISS Does Well, Where It Stops, and When to Use a Vector Database Instead FAISS is a fast vector search library, not a database. Learn what it does well, where it fails in production, and when to use a vector database instead. How semantic search works with FAISS — from raw text to nearest-neighbor results. Image created using Nano BananaThe article discusses the capabilities and limitations of FAISS, a vector search library develo

Published 29 Apr 2026
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