Harmonic
Harmonic
Mathematical superintelligence platform for formally verified, hallucination-free AI reasoning.
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What does Harmonic do?
Harmonic, founded by Tudor Achim, backed by Robinhood CEO Vlad Tenev (2023). Builds mathematical superintelligence (MSI) with verifiable reasoning, Aristotle model solved 5/6 IMO problems (gold medal level). Raised $120M Series C at $1.45B valuation (Nov 2025).
How much funding has Harmonic raised?
Harmonic has raised a total of $295M in funding. The most recent round on record is Series C.
Where is Harmonic headquartered?
Harmonic is headquartered in New York, United States.
When was Harmonic founded?
Harmonic was founded in 2023.
What industry does Harmonic operate in?
Harmonic operates in Artificial Intelligence, Mathematical Reasoning, Formal Verification, Foundation Models, Enterprise AI, NeoLab.
How many employees does Harmonic have?
Harmonic has approximately 15 people on record.