Claude, OpenAI and advertising

Claude gains cross-device and Google Workspace actions as OpenAI pauses some frontier training and expands European advertising.

Briefs

Claude Cowork reaches mobile and web — Claude Cowork is now available on the web and mobile for all paid plans. The availability announcement lets users begin longer tasks on a computer and pick up completed work elsewhere.
Claude acts in Gmail and Google Drive — Claude can now draft and send Gmail replies and manage Google Drive files through connected accounts. Paid users can set when email actions require approval, as shown in Anthropic’s integrations announcement. The change brings routine messages and file tasks into Claude’s workspace.

OpenAI pauses some frontier RL training — OpenAI has paused some frontier reinforcement-learning training while it checks whether its alignment, security and monitoring standards can keep pace with advancing capabilities, Sam Altman says. The move puts safeguards alongside capability work as a practical constraint on frontier research.
ChatGPT ads expand across Europe — OpenAI will expand ChatGPT Ads to 31 European markets, including Germany, France, Spain and Italy, through OpenAI and selected agency and technology partners. Ads will appear for Free and Go users, while Plus, Pro and Enterprise remain ad-free, the OpenAI announcement says. Privacy, answer independence and useful measurement will now shape trust in the service.

Claims put a smaller Qwen model in focus — Tim Sweeney endorses a comparison that places Qwen3.8 27B near the performance frontier for its size. The quoted model comparison argues that capable smaller models could make advanced AI cheaper to run on consumer hardware.