Best Semantic Search Tools Software

Meilisearch is an open-source search engine written in Rust featuring a blazing fast RESTful API, typo tolerance, and AI-powered hybrid search.

Typesense is a fast, typo-tolerant, open-source search engine written in C++ and optimized for instant sub-50ms search-as-you-type experiences.

Vespa is an AI search platform for developing and operating large-scale applications that combine big data, vector search, machine-learned ranking, and real-time inference.

OpenSearch is a distributed, open-source search and analytics engine based on Apache Lucene that enables full-text search, log analytics, and real-time data exploration.