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AI reasoning models think harder on easy problems than hard ones, and researchers have a theory for why

If I spent more time thinking about a simple task than a complex one—and did worse on it—my boss would have some questions. But that’s exactly what’s happening with current reasoning models like Deepseek-R1. A team of researchers took a closer look at the problem and proposed theoretical laws describing how AI models should ideally ‘think.’

Read full article about: Nvidia's $20 billion Groq deal sure looks like an acquisition as 90 percent of staff moves over

In case there was any doubt that Nvidia's Groq deal is anything but a takeover in disguise: according to Axios, roughly 90 percent of the workforce—including CEO Jonathan Ross and President Sunny Madra—is moving to Nvidia. Groq will continue as an independent company under new CEO Simon Edwards.

Though officially a non-exclusive license agreement worth around $20 billion, employees and shareholders are walking away with significant payouts. Staff moving to Nvidia get cash for vested shares and Nvidia stock for unvested ones; even those at Groq for less than a year will have their vesting cliff waived for immediate liquidity. Shareholders receive about 85 percent upfront, another 10 percent in mid-2026, and the rest by year's end.

Since 2016, Groq has raised around $3.3 billion from investors including Blackrock, Samsung, and Social Capital. They're now seeing substantial returns, as the deal pushed the startup's valuation from $7 billion to roughly $20 billion. For a more in-depth look at why Nvidia made this move, see my analysis.

Microsoft CEO Nadella tells managers Copilot's Gmail and Outlook integrations ‘don't really work’ and steps in to fix them

Microsoft CEO Satya Nadella reportedly called Copilot’s Gmail and Outlook integrations “not smart” and is now personally stepping into product development. The worry: despite its strong starting position in AI software, Microsoft is falling behind.

Read full article about: OpenAI seeks new "Head of Preparedness" for AI risks like cyberattacks and mental health

OpenAI is hiring a Head of Preparedness. The position focuses on safety risks posed by AI models. OpenAI CEO Sam Altman points to the now well-documented effects of AI models on mental health as one example. Beyond that, the models have become so capable at cybersecurity that they can find critical vulnerabilities on their own.

This is a critical role at an important time; models are improving quickly and are now capable of many great things, but they are also starting to present some real challenges.

One of the key challenges for the new leader will be making sure cybersecurity defenders can use the latest AI capabilities while keeping attackers locked out. The role also covers safe handling of biological capabilities—meaning how AI models release biological knowledge—and self-improving systems.

OpenAI has faced criticism recently, particularly from former employees, for neglecting model safety in favor of shipping products. Many safety researchers have left the company.

Read full article about: Resemble AI drops Chatterbox Turbo, an open-source text-to-speech model that clones voices in five seconds

AI startup Resemble AI is taking on Elevenlabs with "Chatterbox Turbo," an open text-to-speech model that can clone voices from just five seconds of audio. The company claims its new model beats both Elevenlabs and Cartesia on voice quality while delivering first audio output in under 150 milliseconds. That speed could make it attractive for developers building real-time agents, customer support systems, games, avatars, and social platforms. Companies in regulated industries might also find the model's built-in "PerTh" watermark useful for verifying that speech was AI-generated.

Resemble AI released Chatterbox Turbo under an MIT license, meaning anyone can use, tweak, and redistribute it for free, even for commercial projects. The model is available to try on Hugging Face, RunPod, Modal, Replicate, and Fal, with the full code available on GitHub. Resemble AI also offers a hosted service, with a low-latency version on the way.

China proposes rules to combat AI companion addiction

China wants to crack down on emotionally manipulative AI chatbots. Under proposed rules, providers would have to detect addictive behavior and step in when users show psychological warning signs. California is taking similar steps after tragic stories linked to AI companions.

Meta brings Segment Anything to audio, letting editors pull sounds from video with a click or text prompt

Filtering a dog bark from street noise or isolating a sound source with a single click on a video: Meta’s SAM Audio brings the company’s visual segmentation approach to the audio world. The model lets users edit audio using text commands, clicks, or time markers. Code and weights are open source.