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Update: OpenAI has now made the group chat feature in ChatGPT available worldwide for all logged-in users on the Free, Go, Plus, and Pro plans.

OpenAI is testing a group chat feature for ChatGPT in Japan, South Korea, Taiwan, and New Zealand. Users on Free, Go, Plus, and Pro plans can chat together with other people and ChatGPT in the same conversation. The system won't pull in personal memories from private chats. ChatGPT jumps in based on context or when someone addresses it directly.

Image: OpenAI

The responses run on the GPT-5.1-Auto model. Participants can join through invitation links, manage groups, and customize ChatGPT's settings individually. Users under 18 get automatic content restrictions, and parents can disable the feature entirely.

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Microsoft has introduced Agent 365, a new platform designed to help organizations manage their AI agents as if they were part of the workforce.

Agent 365 includes five core features: a centralized registry for every AI agent in the organization through Microsoft Entra, access control using unique agent IDs, performance dashboards for tracking efficiency, integration with Microsoft 365 apps and corporate data, and built-in security managed by Microsoft Defender and Microsoft Purview.

The system works with Microsoft's own tools like Copilot Studio, but it also supports open-source frameworks and third-party solutions from partners such as Adobe, Nvidia, ServiceNow, and Workday. Agent 365 is available in the Microsoft 365 Admin Center and is currently being tested through Microsoft's Frontier program.

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Arm and Nvidia plan closer collaboration. Arm says its CPUs will be able to connect directly to Nvidia's AI chips using NVLink Fusion, making it easier for customers to pair Neoverse CPUs with Nvidia GPUs. The move also opens Nvidia's NVLink platform to processors beyond its own lineup.

The partnership targets cloud providers like Amazon, Google, and Microsoft, which increasingly rely on custom Arm chips to cut costs and tailor their systems. Arm licenses chip designs rather than selling its own processors, and the new protocol speeds up data transfers between CPUs and GPUs. Nvidia previously tried to buy Arm in 2020 for 40 billion dollars, but regulators in the United States and the United Kingdom blocked the deal.

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Cloudflare is acquiring Replicate and folding its massive model library into Workers AI. The deal pushes Cloudflare's inference platform past 50,000 available models. Replicate users can keep using their existing APIs, while Workers AI users gain access to a far larger catalog along with new fine-tuning options. Both companies plan to bring Replicate's full library to Workers AI and let developers run their own models directly on Cloudflare's network.

Replicate has become a major hub for developers who want easy API access to AI models. Cloudflare brings its global network and serverless inference system to the table. "Together, we’re going to become the default for building AI apps," said Replicate cofounder Ben Firshman. Replicate will stay as an independent brand but operate with Cloudflare's support and infrastructure behind it.

Cloudflare, best known for its DNS services, recently introduced a system that blocks AI crawlers by default and gives website owners more control over how their content is accessed.

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