7 Best Vespa Alternatives (Self-Hosted)
Die besten selbst-gehosteten Alternativen zu Vespa.
Vespa is the AI-powered search engine built for large-scale RAG, personalization, and recommendation systems. With 7k+ GitHub stars and years of production use at Yahoo, it combines vector search, tensor evaluation, and machine-learned model serving in a single platform. Vespa supports advanced features like real-time indexing, approximate nearest neighbor (ANN) search, multi-vector ranking with transformer models, grouping, and distributed serving across data centers. It is used by companies like Spotify, Wix, and Qwant for search, recommendations, and AI-powered data applications.