Thinking Machines Lab is closing in on a new $5 billion funding round at a $40 billion valuation (www.businessinsider.com)

AI startup Thinking Machines Lab (TML) is nearing the completion of a $5 billion funding round, set to close this week, at a staggering pre-money valuation of $40 billion. With Accel leading the investment, this funding would represent a significant leap in valuation, more than tripling TML's worth from its last public round. This surge highlights continued investor enthusiasm for AI initiatives, despite a fierce competition for talent in the industry. Notably, TML emerged from stealth last year, backed by a team with strong ties to OpenAI, including CEO Mira Murati, former CTO at OpenAI. TML's flagship tool, Tinker, recently released its latest version, enhancing capabilities for fine-tuning large language models, which is poised to significantly impact AI coding practices. However, the company faces challenges in retaining its founding talent, with about a third of its original team departing for competitors due to lucrative offers. This exodus underscores the escalating talent war in the AI sector, particularly among leading tech companies like Meta and OpenAI. As TML prepares to secure this substantial investment, the outcome will not only affect its future projects but also set a benchmark for funding in the fast-evolving AI landscape.