Harmonic is an artificial intelligence research company focused on building what it calls “mathematical superintelligence”—a new class of AI systems grounded in formal mathematical reasoning. Founded in 2023 and based in Palo Alto, the company is developing advanced AI models that can solve complex mathematical problems and produce formally verified answers rather than probabilistic outputs. This approach aims to eliminate one of the biggest limitations of current AI systems: hallucinations and unreliable reasoning.

At the center of Harmonic’s technology is its flagship model, often referred to as a mathematical reasoning engine, which can generate proofs and validate results using formal verification frameworks like Lean. Unlike traditional large language models that generate likely answers, Harmonic’s system is designed to produce answers that are provably correct. This makes it particularly valuable for high-stakes domains such as scientific research, engineering, finance, and software verification, where precision and correctness are critical.

Harmonic has quickly gained attention in the AI ecosystem, backed by major investors and reaching near-unicorn or unicorn-level valuations within a short time of its founding. Its broader vision extends beyond mathematics into building reliable AI infrastructure that can power next-generation applications requiring guaranteed accuracy. By combining AI with formal methods, Harmonic is positioning itself at the forefront of a new paradigm in artificial intelligence—one focused not just on intelligence, but on verifiable truth.