OpenAI and Benchmark Back New Startups From Ex-OpenAI Staffers

Two and a half years ago, Liam Fedus was part of the team that helped create ChatGPT and kicked off a frenzy around artificial intelligence. Now, he’s among the growing group of ex-OpenAI employees seizing on the AI investment boom with startups of their own. Fedus, OpenAI’s former vice president of research for post-training, is raising more than $100 million to launch a company called Periodic Labs that’s focused on AI for material science, according to people familiar with the matter. The round is being led by OpenAI and will...