Robinhood CEO's AI startup Harmonic expands into software, chip design verification


CEO and co-founder of Robinhood Markets Vlad Tenev speaks in the Roosevelt Room at the White House in Washington D.C., U.S., August 19, 2026. REUTERS/Kylie Cooper

Oct 27 (Reuters) - Harmonic, ⁠the AI startup co-founded by Robinhood ⁠CEO Vlad Tenev, said on Tuesday ‌it was expanding its Aristotle model from mathematical proofs into software and chip design verification, as AI's ​growing use in detecting software ⁠flaws draws increased ⁠scrutiny.

Researchers recently used the technology to uncover critical ⁠bugs ‌in PHP, prompting a global rush to patch the vulnerabilities.

Here ⁠are more details:

• Backed by Nvidia's venture ​capital arm, ‌NVentures, Sequoia and Ribbit Capital, Harmonic ⁠raised $120 million ​in a funding round last November that valued it at $1.45 billion

• Harmonic is developing ⁠what it calls "mathematical superintelligence," a ​reasoning-focused AI system aimed at reducing hallucinations and factual errors

• The company said Aristotle can ⁠now verify software written in C and chip designs written in Verilog

• US fusion lab DIII-D said Aristotle rebuilt part of ​its reactor-control software in ⁠four hours from one research paper and ​a 254-word prompt

• Aristotle is ‌available with usage-based pricing

(Reporting ​by Aditya Soni in Bengaluru; Editing by Sherry Jacob-Phillips and Shreya Biswas)

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