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Perplexity is now making its AI browser "Comet" available for free. Comet includes a built-in AI assistant that helps with research, scheduling, and online shopping every time you open a new tab. Paid subscribers also get access to an email assistant and new background assistants that handle tasks automatically, but Perplexity hasn't shared details yet. A mobile version is in the works.

Video: Perplexity

As part of the Comet Plus partner program, Perplexity works with media companies like CNN, Conde Nast, Fortune, and the Washington Post. This is meant to avoid more lawsuits, since Perplexity uses content from other websites to power its answer engine without permission. Comet Plus costs $5 a month on its own, but it's included with Perplexity Pro and Max subscriptions.

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Samsung and SK are teaming up with OpenAI to boost South Korea's AI infrastructure as part of the Stargate initiative. The plan includes ramping up DRAM chip production through Samsung Electronics and SK hynix, along with building new data centers. OpenAI has signed several agreements to support the effort, including one with the Ministry of Science to scout potential data center sites outside Seoul.

The new agreements also include a separate partnership with SK Telecom to explore building an AI data center in South Korea. OpenAI has also signed deals with Samsung C&T, Samsung Heavy Industries, and Samsung SDS to evaluate options for expanding data center capacity in the country.

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Zhipu AI has launched GLM-4.6, the latest version of its open-source language model. The update brings a larger 200,000-token context window, improved programming abilities, and stronger logical reasoning. According to Zhipu, GLM-4.6 nearly matches Claude Sonnet 4 in real-world tests, winning 48.6 percent of head-to-head comparisons, and is more efficient than the previous GLM-4.5 release. In eight benchmark tests, GLM-4.6 outperformed models like Deepseek-V3.2-Exp, but still trails Claude Sonnet 4.5 in code generation.

Image: Zhipu AI

GLM-4.6 is available through Z.ai, OpenRouter, HuggingFace, and ModelScope. Technical documentation can be found at docs.z.ai.

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ChatGPT now offers instant checkout directly in the chat, letting users complete purchases without leaving the conversation. The feature is rolling out first for logged-in US users on ChatGPT (Pro, Plus, and Free) shopping on Etsy, with support for more than one million Shopify merchants coming soon. The new Agentic Commerce Protocol, developed by OpenAI and Stripe and released as open source, handles everything from product recommendations to payment entirely within the chat. Merchants interested in joining can sign up through OpenAI's form.

OpenAI will likely use this feature to monetize free ChatGPT users by taking a cut of purchases made through the chat, creating a new revenue stream to help cover operating costs. With ambitious sales targets and mounting costs through 2030, this move is a practical step for the company.

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