Harmonic

Emerging

Math AI research startup raised $295M total at $1.45B valuation; Aristotle model solved 5/6 IMO 2025 problems with formal verification; 96.8% on code generation benchmark

Updated April 2026

Company Overview

Harmonic is an AI research company building toward mathematical superintelligence through formally verified reasoning models. Its flagship Aristotle model was the first to produce formally verified solutions to five of six 2025 International Math Olympiad problems using Lean4 proof verification, eliminating hallucinations. Harmonic raised $295M across three rounds in 14 months at a $1.45B valuation, backed by Sequoia, Kleiner Perkins, and Ribbit Capital.

Revenue
$295M
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Key Differentiators

Emerging Innovator

Harmonic is an emerging player bringing innovative solutions to the AI Infrastructure & Models market.

Growth Stage

Harmonic has achieved $295M in revenue, demonstrating strong product-market fit.

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