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Harmonic AI raises $120M at a $1.45B valuation to advance mathematical reasoning.

PRIVATENov 26, 2025

Amount Raised

$120 Million

Round Type

Funding Round

Palo AltoSoftwareArtificial IntelligenceBlockchainCryptocurrency

Investors

Kleiner Perkins

Description

Harmonic AI has successfully raised $120 million in a recent funding round, pushing its valuation to $1.45 billion. This funding aims to enhance the company's capabilities in mathematical reasoning. The investment will support further development of their innovative solutions. The funding round attracted significant investor interest.

Quick answer

Harmonic AI raised $120 Million in a Funding Round round, dated November 26, 2025. Investors: Kleiner Perkins. Harmonic AI is based in Palo Alto, California, United States.

How much did Harmonic AI raise?
Harmonic AI raised $120 Million in a Funding Round round on November 26, 2025.
Who invested in Harmonic AI?
Kleiner Perkins is named as investors in this round.
What does Harmonic AI do?
Harmonic AI is an artificial intelligence start-up co-founded by Robinhood's CEO, Vlad Tenev, and Tudor Achim.
Where is Harmonic AI based and how big is it?
Harmonic AI is based in Palo Alto, California, United States.
Who are the decision-makers at Harmonic AI?
Fundz holds 3 contacts at Harmonic AI, including the Building and Commercializing Mathematical Superintelligence. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Blockchain and Cryptocurrency around the same time

Companies in the same sectors as Harmonic AI that raised within 45 days of this round, from Fundz verified event records.

  • Cursor raised $2.3B (Funding Round) on November 13, 2025.
  • Boings.ai raised an undisclosed amount (Seed) on January 5, 2026.
  • Architect raised $35M (Series A) on December 25, 2025.
  • Pye Finance raised $5M (Seed) on December 8, 2025.
  • Digital Asset Acquisition raised $50M (Funding Round) on December 4, 2025.
  • Dost raised $7.8M (Series A) on November 19, 2025.

Who to call at Harmonic AI, and when

A new round usually means Harmonic AI is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Harmonic AI raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Harmonic AI, from your own LinkedIn network

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Company Information

Company

Harmonic AI

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.

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Related People

3 contacts
Verified contactsVikram S., Building and Commercializing Mathematic… hidden hidden hiddenSee plans and pricing
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ML-powered predictions for Harmonic AI's next move

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Harmonic AI raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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