Founded in 2023 and co-founded by Vlad Tenev, chief executive of Robinhood Markets Inc., Harmonic is building Aristotle, a next‑generation AI engine the specializes in formal mathematical reasoning., Harmonic AI, an artificial intelligence startup co-founded by Robinhood Markets Inc. Chief Executive Officer Vlad Tenev, has raised $100 million in funding to tackle a problem that has sometimes , Harmonic AI, co-founded by Robinhood CEO Vlad Tenev, has secured $100 million in funding, pushing its valuation to a near-unicorn status of $875 million., Harmonic AI, co-founded by Robinhood CEO Vlad Tenev, secures $100M in Series B funding led by Kleiner Perkins. The startup, valued at $875M, is developing Aristotle, an AI engine for advanced mathematical reasoning., Robinhood CEO Vlad Tenev’s AI startup Harmonic raises $100M to solve math with AI. Why it could reshape science, reasoning, and future AI models., .