Harmonic Announces IMO Gold Medal-Level Performance & Launch of First Mathematical Superintelligence (MSI) AI App

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PALO ALTO, Calif.--(BUSINESS WIRE)--Jul 28, 2025--

Harmonic, the AI lab that introduced the concept of Mathematical Superintelligence (MSI), today launches Aristotle – the only AI model built from the ground up to be hallucination-free. In a livestream on X, the company released its waitlist ( aristotle.harmonic.fun ) for the Aristotle iOS app beta, with rollout commencing today.

Harmonic also announced that Aristotle is among the first AI models to achieve formally verified gold medal-level performance on the 2025 International Mathematical Olympiad, widely regarded as the world’s most prestigious mathematics competition. This places Aristotle at the forefront of advanced mathematical reasoning performance among frontier AI models.

Unlike language-based AI prone to hallucinations, Aristotle’s use of MSI verifies accuracy – ensuring coherent logical reasoning and transparently flagging errors and inconsistencies. By replacing probabilistic guesses with provable solutions, Aristotle is the most reliable model for high-stakes, real-world applications where accuracy is critical.

“The algorithmic innovations that yielded not just IMO Gold-Medal performance, but formally verified solutions to complex, novel mathematical problems, solidifies Harmonic’s position at the leading edge of AI model development,” said Tudor Achim, CEO and Co-Founder of Harmonic. “We’re even more excited to make this advanced AI available to the public.”

Aristotle’s MSI model is designed to solve mathematical problems at a level far exceeding human capabilities. By accelerating mathematics, the doors open to driving breakthroughs across multiple fields, from theoretical physics to engineering.

“We can’t wait for people to start using Aristotle and experience the future of intelligence,” said Vlad Tenev, Co-Founder and Executive Chairman of Harmonic. “We believe Mathematical Superintelligence may be one of humanity’s greatest inventions and we hope Aristotle will consequently contribute to many useful scientific discoveries and engineering inventions in the future.”

The Harmonic model will be available as an app for iOS and Android, on the web and as an API.

In July 2025, Harmonic raised $100 million in Series B funding at a nearly $900 million post-money valuation. The round was led by Kleiner Perkins with significant participation from Paradigm. Additional investors included Ribbit Capital, Sequoia Capital, Index Ventures and Charlie Cheever. Harmonic previously raised $75 million in its September 2024 Series A funding round, which was led by Sequoia Capital, included significant participation from Index Ventures, and received additional backing from DST Global partners and Nikesh Arora.

About Harmonic
Harmonic, an artificial intelligence company founded in 2023, is backed by Robinhood CEO Vlad Tenev and led by CEO Tudor Achim. It is developing Mathematical Superintelligence (MSI), the next generation of artificial intelligence which is rooted in mathematics and which guarantees accuracy and eliminates hallucinations. The company is based in Palo Alto, California.

For more information about Harmonic, please visit: https://harmonic.fun

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PUB: 07/28/2025 06:42 PM/DISC: 07/28/2025 06:42 PM

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