Robinhood CEO's math-focused AI startup Harmonic valued at $1.45 billion in latest fundraising

Group 1 - Harmonic, an AI startup co-founded by Robinhood CEO Vlad Tenev, has successfully raised $120 million in new funding [1] - The funding round has resulted in a valuation of $1.45 billion for the company [1] - The company is focused on addressing AI "hallucinations," which are inaccuracies in AI-generated content [1]