Former OpenAI CTO, Mira Murati, plans to raise over $2 billion in venture funding for her new generative AI startup, Thinking Machines Lab.This amount is double the initial target of $1 billion at a $9 billion valuation.Murati's team includes former colleagues from OpenAI, and the new valuation is expected to be at least $10 billion.Thinking Machines Lab aims to make AI more accessible by building AI systems that are widely understood, customizable, and capable.