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Female founder breaks records with $64M seed for AI mathematician Carina Hong closed the largest seed round of 2025 — $64M at $300M valuation for Axiom Math, an AI that solves complex math problems and generates new mathematical knowledge. Key differentiators: • AI produces step-by-step proofs verified by Lean and Coq • Transforms English math from textbooks into executable code • Team includes Meta FAIR lab veterans Founder playbook: • Assembled world-class team before fundraising • Built working proofs in specialized domains • Demonstrated clear commercial applications (finance, chip design) • Positioned as foundational AI infrastructure • Attracted tier-1 VCs: B Capital, Greycroft, Madrona Takeaway: Deep tech needs deep expertise first, funding second. Source: Tech Funding News #startups#funding Brewed by Startup Beaker.