Building Vector Search? Why FAISS Alone Isn’t Enough (opens in new tab)

Last Updated on April 29, 2026 by Editorial Team 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 ...