Microsoft announces Copilot Cowork with help from Anthropic — a cloud-powered AI agent that works across M365 apps

Copilot Cowork operates in the cloud, inside Microsoft 365's infrastructure, and draws on something Claude Cowork simply cannot access: the full graph of a user's enterprise work data.
Bleeping Computer

Microsoft brings phishing-resistant Windows sign-ins via Entra passkeys

Microsoft is rolling out passkey support for Microsoft Entra on Windows devices, adding phishing-resistant passwordless authentication via Windows Hello. The feature is opt-in and will enter public ...

OpenAI launches GPT-5.4 with native computer use mode, financial plugins for Microsoft Excel, Google Sheets

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some ...

GPT-5.4 Arrives in ChatGPT with Native Computer Use and Agentic Capabilities

OpenAI's new GPT-5.4 AI model in ChatGPT combines advanced reasoning, computer use, and agentic workflows into a single ...
WinBuzzer

OpenAI Launches GPT-5.4 With Native Computer Use and Finance Tools

OpenAI has launched GPT-5.4, its first model with native computer-use capabilities, alongside financial plugins for Microsoft Excel and Google Sheets.