Introducing Exa 2.1

This post announces Exa 2.1, detailing significant improvements to Exa's search APIs. It highlights the scaling of compute resources, leading to sub-500ms latency for Exa Fast and enhanced accuracy for Exa Deep through agentic search. New evaluation methodologies for both fast and agentic search are described, focusing on LLM grading of search results. The post also reiterates Exa's commitment to building an independent search engine from scratch, including semantic+lexical databases and large-scale crawling infrastructure.