Best Elasticsearch alternative AI tools

Vespa.ai is a high-performance AI search platform for building large-scale applications. It unifies vector search, text search, and machine-learned ranking to power advanced use cases like Retrieval-Augmented Generation (RAG), recommendation engines, and intelligent search. Designed for real-time inference and scalability, it's trusted by leading companies like Spotify and Perplexity to handle massive datasets with low latency.

ParadeDB is a modern Elasticsearch alternative built directly on Postgres. It enhances Postgres with powerful, real-time search and analytics capabilities, including full-text search, fuzzy matching, and faceting, eliminating the need for complex ETL processes and separate search engines.