Vespa.ai is an AI Search Platform for building and running real-time, large-scale applications in retrieval-augmented generation (RAG), recommendation, personalization, and search. It enables enterprise-wide AI deployment by combining data, inference, and ranking in a single query path—supporting low-latency responses and handling over 100K queries per second across massive datasets. Vespa delivers precise hybrid search across dense vectors, full-text, and structured metadata, making it ideal for complex, high-throughput AI workloads.

Trusted by organizations like Spotify, Wix, Yahoo, and Perplexity, Vespa is available as both a fully managed service and an open source platform. It offers robust APIs, SDKs for seamless integration, real-time monitoring metrics, and advanced configuration options to support production-ready performance at scale.