Episode
Vespa AI and Surpassing the Limits of Vector Search
Software Engineering Daily · May 12, 2026 · 39 min
Vector search has risen to become a foundational tool in modern search and retrieval systems, including the RAG pipelines that power many AI applications. However, the demands on retrieval systems are growing more sophisticated, which is revealing the limits of relying on a single vector similarity score. Vespa is a popular open source search and data serving engine. Central to Vespa’s…