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Harmonic AI has raised US$100 million in a Series B funding round led by Kleiner Perkins, aiming to build AI systems for complex maths problems.

Jul 11, 2025•5 days ago

Amount Raised

$100 Million

Round Type

series b

Palo AltoSoftwareArtificial Intelligence

Investors

ParadigmIndex VenturesSequoia CapitalKleiner Perkins

Description

Harmonic AI, co-founded by Vlad Tenev, has secured US$100 million in Series B funding. The round was backed by Kleiner Perkins, Sequoia Capital, Index Ventures, and Paradigm. The company focuses on developing AI models to tackle complex mathematical problems. Harmonic aims to release its flagship model, Aristotle, to the public later this year.

Company Information

Company

Harmonic

Location

Palo Alto, California, United States

About

Harmonic AI is an artificial intelligence start-up co-founded by Robinhood's CEO, Vlad Tenev, and Tudor Achim. Founded in 2023 and based in Palo Alto, California, the company aims to develop AI systems capable of solving complex mathematical problems, aiming for what they call mathematical superintelligence. Their flagship AI model, Aristotle, is set to be made available to researchers and the public.

Funding Insights

Based on industry data
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

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