OpenAI announced that Barret Zoph will head its enterprise sales effort, signaling a renewed focus on business customers as the company faces slipping market share to rivals Anthropic and Google. Zoph, a former OpenAI vice president who recently returned from Thinking Machine Labs, will oversee the rollout of ChatGPT Enterprise and new partnerships such as the expanded deal with ServiceNow. The move comes as OpenAI’s enterprise usage fell from 50% in 2023 to 27% at the end of 2025, while Anthropic holds about 40% and Google’s Gemini maintains around 21% market share. Read more →

OpenAI announced the return of former Thinking Machines Lab cofounders Barret Zoph and Luke Metz, along with researcher Sam Schoenholz. The hires, described as weeks‑long discussions, follow internal concerns at Thinking Machines about Zoph’s conduct and potential confidential information sharing. The move highlights ongoing personnel shifts across the AI sector, where researchers report fatigue from constant industry drama. At the same time, AI labs are intensifying efforts to train agents for professional tasks by sourcing real‑world work data from contractors, a strategy that raises both practical and ethical questions. Read more →

Barret Zoph and Luke Metz, cofounders of the AI startup Thinking Machines Lab, have left the company to rejoin OpenAI. The move was announced by OpenAI’s applications chief Fidji Simo in an internal memo. A source alleged that Zoph was dismissed for sharing confidential information, a claim OpenAI did not verify. Mira Murati confirmed Zoph’s departure and named Soumith Chintala as the new chief technology officer. The departures also include Sam Schoenholz, who is returning to OpenAI, and follow the earlier exit of cofounder Andrew Tulloch to Meta. Thinking Machines Lab continues to develop its Tinker platform for customizing AI models. Read more →