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 →

Microsoft introduced Agent 365, a control plane that lets businesses register, monitor, and secure AI agents across the Microsoft ecosystem. The platform offers dashboards, telemetry, and alerts, and integrates with Microsoft Entra, Microsoft 365 apps, and third‑party services such as Adobe, Nvidia, ServiceNow, and Workday. Available through the Frontier early‑access program, Agent 365 aims to give IT admins the tools to treat AI agents as managed coworkers, ensuring they act predictably and safely. Read more →

Thinking Machines Lab, founded by OpenAI’s former chief technology officer Mira Murati, has closed a $2 billion seed round led by Andreessen Horowitz, valuing the startup at $12 billion. The deal marks one of the largest seed rounds in Silicon Valley history. Read more →