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.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 07/14/25 | $100,000,000 | Series B |
Charlie Cheever Index Ventures Kleiner Perkins Caufield and Byers  Ribbit Capital Sequoia Capital | $900,000,000 |
