Engram emerged from stealth June 23, 2026 with $98M from General Catalyst, Kleiner Perkins, Sequoia, Factory, Modern, Amplify Partners, Neo. Angels include Andrej Karpathy and Assaf Rappaport.
CEO Dan Biderman (Stanford/Berkeley/Cornell researchers) builds a learned organizational memory layer compressing institutional knowledge into reusable model memory. Claims 1–10% of frontier model tokens, up to 100x reduction vs reprocessing context each query.
Partners: Microsoft (M365 testing, Dapple/Azure GPU capacity), Notion, Harvey. 13 employees, $600M valuation per Calcalist. Founded October 2025.