Exa is an AI tool designed to connect other AI systems to the internet, with a primary focus on improving search capabilities of AI. Exa API hosting enables machine learning models to access and retrieve the best content on the web through embeddings-based search.

This API is trusted by a broad spectrum of developers and companies, and it's been highly commended for enabling efficient, semantic and valuable web search.

Exa utilizes a unique link prediction transformer to predict which links align with the meaning of a search prompt. The tool has a flexible search feature that can handle any type of query.

It is capable of instantly retrieving content from any page on the web, negating the need for web scraping or HTML parsing, and offers advanced capabilities for customizing searches and applying filters across a particular subset of the web.

The tool also features a similarity search function, allowing users to search for content similar to what they are interested in. The types of results that Exa API can provide are quite vast, ranging from blog posts to news articles and more.

With its goal to give AI access to all human knowledge, Exa represents a significant advancement in the field of AI-powered search engines.