AI lab Harmonic has announced the launch of Aristotle, its groundbreaking Mathematical Superintelligence (MSI) model, marking a major leap in AI precision and reasoning. Unlike traditional language-based AI systems prone to hallucinations, Aristotle is engineered from scratch to deliver provable, error-flagged mathematical solutionsโmaking it the only AI model specifically designed to be hallucination-free.
In a live-streamed event on X, Harmonic opened the waitlist for its beta iOS app, with user access rolling out. The app will also be made available for Android, web, and API integration.
Aristotle has achieved gold medal-level performance on the 2025 International Mathematical Olympiad (IMO), placing it among the first AI models with formally verified excellence in high-level mathematical reasoning. Its performance demonstrates the potential of MSI to revolutionize problem-solving in critical domains, from physics and engineering to computational science.
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โThe algorithmic innovations that yielded not just IMO Gold-Medal performance, but formally verified solutions to complex, novel mathematical problems, solidifies Harmonicโs position at the leading edge of AI model development,โ said Tudor Achim, CEO and Co-Founder of Harmonic.
Vlad Tenev, Co-Founder and Executive Chairman, added: โWe believe Mathematical Superintelligence may be one of humanityโs greatest inventions and we hope Aristotle will consequently contribute to many useful scientific discoveries and engineering inventions in the future.โ
The launch follows Harmonicโs $100 million Series B funding round in July 2025, led by Kleiner Perkins at a nearly $900 million post-money valuation. The round also saw participation from Paradigm, Sequoia Capital, Index Ventures, and others, building on the $75 million Series A round raised in 2024.