The valuation whiplash at Thinking Machines Lab is a masterclass in how fast the AI market changes its mind. Mira Murati's outfit, founded in early 2025 by the former OpenAI chief technology officer and a team of roughly two dozen OpenAI veterans, is back in the market negotiating to raise at least 1 billion at a pre-money valuation of about 40 billion, The Information reported on September 3....