If you want a search engine that'll give you the best results as fast as possible, Exa is worth a look. It uses the embedding and transformer technology to give you results that are contextually relevant. It accepts natural language queries and can return thousands of results in a split second. Exa is designed to work with Large Language Models (LLMs) and has a variety of pricing options, including a free tier with limited results and queries.
Another option is Meilisearch, an open-source search engine that's geared for fast and relevant results. It can return results in under 50 milliseconds as you type and supports integrations like filters and language detection. Meilisearch also has good security and flexible pricing, so it's a good option for website and app search.
If you're looking for something more geared for the enterprise, Ayfie has a more advanced Retrieval Augmented Generation (RAG) platform that's designed to give you contextually relevant results and to help you understand the data better. It can be integrated with existing systems and a broad range of data sources to automate workflows and help you make decisions. Ayfie also has advanced security and access controls, so it's a good option for enterprise environments.
Last, Algolia is an AI-powered search infrastructure that combines keyword search with vector understanding. It can dynamically re-rank results based on user behavior and trends, personalize results and use AI synonyms. Algolia supports a broad range of industries and use cases, including enterprise search, mobile and app search and voice search. Its flexible pricing and abundant documentation make it a good option for developers who want to build personalized search experiences.