Pre Seed · AI & Machine Learning · London, United Kingdom · Founded 2026 · 1–10 employees
Osseus is developing a biomedical artificial intelligence research platform designed to scale healthcare model capabilities and alignment. The startup provides off-the-shelf and custom medical datasets alongside specialized reinforcement learning environments for medical AI training. Founded in 2026 by Anish Mariathasan and Ayush Patel, the London-based venture was selected for the Y Combinator Summer 2026 batch. Its infrastructure helps healthcare labs evaluate and optimize clinical AI models for safety and interpretability. Early backing includes investments from Y Combinator and venture firm LRSvc.
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