Founded in 2012 by John Frank and Max Kleiman-Weiner, Diffeo's platform can analyze texts from various sources, including MS OnetNote, Word, Outlook, and MediaWiki. It helps fill knowledge gaps in industries like cybersecurity, supply chain risk management, and deep web research. The founders of Diffeo previously worked on a project for the National Institute of Standards and Technology and DARPA. In January 2017, Diffeo acquired Meta Search, a file-based search engine, which was subsequently renamed Diffeo Cloud Search. The platform uses AI-powered algorithms to analyze in-progress documents, enabling users to quickly search files across email, desktop, and cloud-based accounts.