Harmonic
Forging the world's most advanced mathematical reasoning engine
Palo Alto, United States · Founded 2023 · $295.0M raised
- Headquarters
- Palo Alto, California
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- harmonic.fun
- Total Funding
- $295.0M
- Last Round
- $120.0M Series CNov 2025
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Harmonic starts building mathematical superintelligence to explore the frontiers of human understanding. The company says it works to solve some of the world's hardest problems and seeks truth in that work. It describes mathematics and art as inextricably linked, applies craftsmanship to its user interface and backend infrastructure, and builds its tools so humans direct progress in mathematics and science.
Summary
Harmonic is an Artificial Intelligence company based in Palo Alto, United States, founded in 2023. It has raised $295.0M in total across 3 rounds, most recently a $120.0M Series C round in Nov 2025. Investors include Sequoia Capital, Ribbit Capital and Kleiner Perkins.
Tech & App Stack
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Funding History
Nov 2025
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Funding: Series A through Series C. Amounts, valuations, and investors where available.
Investors
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