Vespa AI

Big data serving engine for AI-powered search and recommendations

Data & AnalyticsFree

Vespa is Yahoo's open-source big data serving engine designed for real-time computation over large datasets. It supports vector search, BM25 full-text search, machine-learned ranking, and complex queries at low latency. Companies building large-scale search engines, recommendation systems, and RAG applications use Vespa for its flexibility and production reliability.

Key Features

• ✓Hybrid vector and keyword search
• ✓ML-based re-ranking
• ✓Streaming and batch writes
• ✓Multi-tenant architecture
• ✓Vespa Cloud managed option