Pranav Dixit / Business Insider:Soumith Chintala, who co-created the PyTorch ML framework at Meta and left the company this month, has joined Mira Murati's Thinking Machines Lab — - Soumith Chintala, the creator of PyTorch, has joined Mira Murati's AI startup Thinking Machines Lab. — Chintala's move comes amid major restructuring inside Meta's AI ranks.