Halluminate raises $30M to train AI on finance due diligence

San Francisco startup Halluminate closed a $30 million Series A led by Oak HC/FT, bringing total funding to $38.5 million. The company builds reinforcement-learning environments for finance tasks: top models score just 51% on its 88-task Westworld Finance Diligence Bench.

• $30M Series A announced October 1, 2026; total funding now $38.5M
• Westworld Finance Diligence Bench has 88 tasks from real PE deals
• Best score among seven frontier models was 51%
• Four of five leading closed-source US AI labs are customers