Unreasonable Labs, the company building superintelligence for knowledge discovery, today announced it has launched from stealth and closed a $13.5 million funding round led by Playground Global, with participation from AIX Ventures, E14 Fund, and MS&AD Ventures. The company, founded by a former senior research scientist at Google DeepMind and an engineering professor at MIT, has built a foundational AI discovery engine designed to accelerate breakthroughs across chemistry, materials science, biology, and beyond by composing new knowledge.