Checked May 28 2026
Harmonic
Harmonic builds Aristotle, a formally verified mathematical reasoning AI that eliminates hallucinations by expressing every proof step as checkable Lean4 code, targeting mathematicians, researchers, and high-stakes engineering domains.
Source mix1 independent10 reported6 company9 data vendor
Evidence notes
Who uses it: Current users are mathematicians and academic researchers using the free Aristotle API for proof-checking, open conjecture exploration, and error-detection in LLM-generated proofs; the stated commercial targets are high-stakes industries — blockchain,...[3]+5Reported
Public signals: careers - Harmonic[13]Company-authored
Financing: Total raised is $295,000,000.[21]
Source ledger
- [1]Top Harmonic Alternatives, Competitors
- [2]Harmonic Raises $120 Million In Series C Funding Round - Tech Company News
- [3]Robinhood CEO-Backed Harmonic Becomes Unicorn On Series C | Crowdfund Insider
- [4]Harmonic raises $75M to create AI with mathematical superintelligence and eliminate hallucinations - SiliconANGLE
- [5]