Copilot

It’s no longer a partnership announcement. It’s shipping. Microsoft officially launched Copilot Cowork today through its Frontier early-access program, and the headline feature is exactly the one that raised eyebrows three weeks ago: GPT and Claude working the same pipeline, where one drafts and the other rips it apart for accuracy. This isn’t two models duct-taped together. It’s adversarial collaboration baked into enterprise infrastructure — and the early numbers suggest it actually moves the needle. ...

Microsoft stopped being an AI assistant company today. It became an AI agent company. On Monday, Microsoft announced Copilot Cowork — built in close collaboration with Anthropic — a tool that autonomously handles complex, multi-step tasks inside Microsoft 365. No babysitting. No back-and-forth prompting. You hand it a project brief, and it gets to work. This isn’t another product update. This is the world’s largest software company admitting that Anthropic built something so good, integration beat competition. And in doing so, Microsoft may have just fired the starting gun on the enterprise AI agent wars. ...