News Summary

Harmonic, an AI startup co-founded by Vlad Tenev, the CEO of Robinhood, has launched a beta version of its AI chatbot app on iOS and Android. The chatbot, named Aristotle, is designed to provide ‘hallucination-free’ answers to questions involving mathematical reasoning. Harmonic aims to create ‘mathematical superintelligence’ to assist in fields reliant on math, such as physics, statistics, and computer science. The startup plans to release an API for enterprises and a web app for consumers. Recently, Harmonic raised $100 million in a Series B funding round, valuing the company at $875 million. Aristotle achieved gold medal performance at the 2025 International Math Olympiad through a formal test, showcasing its advanced capabilities. The app’s responses are verified using an algorithmic process, ensuring accuracy without AI involvement. Harmonic’s advancements in AI mathematical reasoning could have significant implications for other domains.