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AI News

Meet MemPrivacy: An Edge-Cloud Framework that Uses Local Reversible Pseudonymization to Protect User Data Without Breaking Memory Utility

As LLM-powered agents move from research to production, one design tension is becoming harder to ignore: the more useful cloud-hosted memory becomes, the more private user data it exposes. Researchers from MemTensor (Shanghai), HONOR Device and Tongji University have introduced MemPrivacy, a framework that attempts to resolve this tension without sacrificing the utility that makes […]

The post Meet MemPrivacy: An Edge-Cloud Framework that Uses Local Reversible Pseudonymization to Protect User Data Without Breaking Memory Utility appeared first on MarkTechPost.

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Inside Anduril and Meta’s quest to make smart glasses for warfare

The defense-tech company Anduril has shared new details about the augmented-reality headset for the military it’s prototyping with Meta, including a vision for ordering drone strikes via eye-tracking and voice commands. Quay Barnett, who leads the efforts as a vice president at Anduril following a career in the Army’s Special Operations Command, says his fundamental…

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What to expect from Google this week

This story originally appeared in The Algorithm, our weekly newsletter on AI. To get stories like this in your inbox first, sign up here. When Google opens its doors tomorrow for its annual developer conference, I/O, it will do so as a clear third place in the foundation model race. A year ago, at Google I/O…

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Amazon Alexa Plus can now create AI-generated podcasts

Alexa Plus, Amazon’s upgraded AI assistant, can now generate podcasts on “virtually any topic,” according to an announcement on Monday. With the update, Amazon says you can give Alexa Plus a topic, and the AI assistant will offer an overview of what its AI hosts plan to talk about, allowing you to steer the conversation […]

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Elon Musk loses his case against Sam Altman

After around two hours of deliberation, the jury has reached a unanimous verdict in Musk v. Altman, the tech trial of the year. The group found that two claims were barred by the statute of limitations, and a third failed thanks to the dismissal of one of these. The jury here is an advisory jury, […]

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Musk v. Altman proved that AI is led by the wrong people

The tech trial of the year, Musk v. Altman, was ultimately a fight for control. Elon Musk argued that Sam Altman, with whom he helped found the now-massive company OpenAI, shouldn’t direct the future of AI. Altman’s lawyers, in turn, poked at Musk’s own credibility. A jury came to a verdict on Monday after just […]

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Amazon launches Alexa for Shopping as Rufus moves behind the scenes

Amazon has introduced Alexa for Shopping, combining its Rufus shopping chatbot with Alexa+ across its app, website, and Echo Show devices. The assistant can answer product questions, compare items, track prices, and support shopping reminders. It can also handle scheduled shopping actions and eligible automated purchases. The company said Alexa for Shopping combines Rufus’ product […]

The post Amazon launches Alexa for Shopping as Rufus moves behind the scenes appeared first on AI News.

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NVIDIA Introduces a 4-Bit Pretraining Methodology Using NVFP4, Validated on a 12B Hybrid Mamba-Transformer at 10T Token Horizon

NVIDIA introduces a 4-bit pretraining methodology built around the NVFP4 microscaling format — combining selective BF16 layers, 16×16 Random Hadamard Transforms on Wgrad inputs, 2D weight scaling, and stochastic rounding on gradients — validated on a 12B hybrid Mamba-Transformer trained on 10 trillion tokens, the longest publicly documented 4-bit pretraining run, with downstream accuracy closely tracking the FP8 baseline (62.58% vs 62.62% on MMLU-Pro).

The post NVIDIA Introduces a 4-Bit Pretraining Methodology Using NVFP4, Validated on a 12B Hybrid Mamba-Transformer at 10T Token Horizon appeared first on MarkTechPost.

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A Coding Implementation to Compress and Benchmark Instruction-Tuned LLMs with FP8, GPTQ, and SmoothQuant Quantization using llmcompressor

In this tutorial, we explore how to apply post-training quantization to an instruction-tuned language model using llmcompressor. We start with an FP16 baseline and then compare multiple compression strategies, including FP8 dynamic quantization, GPTQ W4A16, and SmoothQuant with GPTQ W8A8. Along the way, we benchmark each model variant for disk size, generation latency, throughput, perplexity, […]

The post A Coding Implementation to Compress and Benchmark Instruction-Tuned LLMs with FP8, GPTQ, and SmoothQuant Quantization using llmcompressor appeared first on MarkTechPost.

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Chatbots at the drive-thru are just the beginning

This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more news about how AI is seeping into our daily lives, follow Emma Roth. The Stepback arrives in our subscribers’ inboxes at 8AM ET. Opt in for The Stepback here. How it started In 2021, McDonald’s became one […]

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Revamped Siri will reportedly offer auto-deleting chats

Apple is hoping that its record on privacy can be the differentiator on the AI front, and maybe even buy it a little slack as it continues to lag behind the competition. According to Bloomberg’s Mark Gurman, the more chatbot-like Siri set to debut in iOS 27 will include the option to autodelete chat histories. […]

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