Chai Discovery, an AI-powered drug discovery startup, has secured $70 million in a Series A funding round led by Menlo Ventures through its co-investment vehicle with Anthropic. The funding values the company at approximately $550 million. Chai Discovery has garnered significant attention from prominent investors, including Menlo Ventures and Yuri Milner's DST Global Partners. The OpenAI-backed startup aims to revolutionize drug development using advanced artificial intelligence techniques.