Slingshot AI launched this year to build large-language models for mental health.porcorex/Getty ImagesSlingshot AI raised about $30 million in an Andreessen Horowitz-led round, per multiple sources.The startup grabbed a fast-follow from Menlo Ventures shortly after the initial round, sources say.Slingshot launched in May with an AI-powered chatbot for mental healthcare.Investors are clamoring to back AI startups across industries, and mental healthcare is no exception.Slingshot AI, which launched this year to build large-language models for behavioral health, just grabbed about $30 million in a fresh funding round led by top VC firm Andreessen Horowitz, according to three people with knowledge of the deal.Two sources said the round valued Slingshot at more than $100 million.And the startup garnered so much investor interest that the A16z-led round wasn't enough.