OpenAI’s former chief technology officer, Mira Murati, just raised one of the largest seed rounds in history. Murati secured $2 billion in that seed round for Thinking Machines Lab — a startup so early, it hasn’t even revealed what it’s working on yet. The move is raising eyebrows across Silicon Valley, and it’s only the latest in a wave of top researchers splintering off from OpenAI to chase their own AI moonshots.

Today, on TechCrunch’s Equity podcast, hosts Kirsten Korosec, Rebecca Bellan and Anthony Ha break down what’s fueling the OpenAI talent shuffle, investor enthusiasm, and a former employee’s behind-the-scenes peek inside the company. Either way, the team agrees: seed rounds really have changed.

Listen to the full episode to hear more news from the week, including:

• The drama around xAI’s safety practices keeps coming, with researchers from OpenAI and Anthropic publicly criticizing Musk’s AI startup over Grok’s latest scandals and what they reveal about broader AI safety gaps
• Uber investing hundreds of millions into premium robotaxis with Lucid and Nuro. Kirsten and Rebecca have some thoughts on whether this is a smart move or more AV déjà vu
• The AI coding assistant sector is heating up with major acquisitions. Devin-maker Cognition acquired Windsurf just days after Google poached the latter’s leadership in what’s becoming a pattern of reverse acquihires
• And Jack Dorsey’s latest string of vibe-coding projects and nonprofit hacker collective, all pointing back to his long-standing push for decentralized tech

Equity will be back for you next week, so don’t miss it!

Equity is TechCrunch’s flagship podcast, produced by Theresa Loconsolo, and posts every Wednesday and Friday. 

Subscribe to us on Apple Podcasts, Overcast, Spotify and all the casts. You also can follow Equity on X and Threads, at @EquityPod.