Harmonic
San Francisco, CAFounded 2024Series CUpdated 1d ago
Harmonic is building mathematical superintelligence. Their flagship product, Aristotle, is an AI reasoning engine that achieved Gold Medal–level performance at the 2025 International Mathematical Olympiad and set state-of-the-art results on the VERINA Code Verification Benchmark. Founded in 2024 by Vlad Tenev (co-founder of Robinhood) and Tudor Achim.