Harmonic
Harmonic
Claimed
Agent44Agent Readiness: 44/100. Above median. Measured by StartupHub.ai. Median 41.Mathematical superintelligence platform for formally verified, hallucination-free AI reasoning.
About
Harmonic, founded by Tudor Achim, backed by Robinhood CEO Vlad Tenev (2023). Builds mathematical superintelligence (MSI) with verifiable reasoning, Aristotle model solved 5/6 IMO problems (gold medal level). Raised $120M Series C at $1.45B valuation (Nov 2025).
Competitors & alternatives (8)
Harmonic alternatives Listed competitors
Key facts
At-a-glance profile data
- Website
- harmonic.fun
- Headquarters
- New York, United States
- Founded
- 2023
- Employees
- 15
- Total funding
- $295M (Series C)
- Business model
- B2B SaaS / API
Tech stack
Detected on harmonic.fun, last scanned 23 Sept 2026. Run your own scan
- Frontend
- Next.js, Tailwind CSS
- Email provider
- Google Workspace
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Frequently asked
How much funding has Harmonic raised?
Harmonic has raised a total of $295M in funding. The most recent round on record is Series C.
How many employees does Harmonic have?
Harmonic has approximately 15 people on record.