The Arena
The money chasing physical AI just moved from the robots to the data that teaches them. Mecka AI, a two-year-old startup that pays people to record everyday tasks for humanoid-robot training, is reportedly nearing a Sequoia-led round at roughly a $500 million valuation — its second raise
The Arena
Jeff Dean is raising money again for Discovery Loop — this time seeking a valuation of around $50 billion, according to people familiar with the matter. A few weeks ago, the startup from Google's former chief scientist was raising $1 billion at roughly a $10 billion valuation. If the
The Guardrails
Washington's AI-safety debate has moved from letters and hearings toward actual legislation — and the draft being discussed would hand the federal government a power it has never held over frontier models. US Senate negotiators are debating a bill that would impose a legal "duty of care&
The Arena
SemiAnalysis has acquired Citrini Research, the thematic investment-research outfit founded by James van Geelen, for an undisclosed sum — and van Geelen is reportedly planning to launch a new fund. Bloomberg first reported the deal. Van Geelen stays on as Citrini's CEO, which suggests the research brand survives
The Stack
ElevenLabs released Music v2.5, calling it the best version of its music generation model yet — and paired the model upgrade with a rights change that matters as much as the sound. Every track made in ElevenMusic can now be downloaded losslessly and kept, with five downloads a day on
The Everyday
A one-dev indie studio just published the cleanest writeup we've seen of why "installs" is the most dangerous number in mobile advertising: a bot farm found his $220 budget, Google billed him for it, and the ad algorithm rewarded the fraud at every step. Nick
The Guardrails
The people who win mathematics' highest prize just published a coordinated warning about what AI companies are doing to their field, and hours later one of the biggest AI companies closed a $1.5 billion-plus deal to accelerate exactly what they warned against. Terence Tao and 24 fellow
The Guardrails
A state supreme court just treated an AI-hallucinated appellate brief as what it is — a professional betrayal, not a tech mishap. Plus: Moonshot AI puts a revenue number on its IPO year. The New Mexico Supreme Court has held veteran criminal defense lawyer Stephen Aarons in direct contempt for
The Guardrails
The physical build-out of AI just collided with actual warfare — and one of the biggest AI infrastructure projects outside the US is being redesigned around missiles and drones. The United Arab Emirates is quietly revising its plan for a 5-gigawatt AI data center campus — one of the largest
The Arena
Funding news leads the afternoon, and it comes with a government's fingerprints on it. Then Suno ships its first music models built alongside the labels it once fought. Cohere is in advanced talks to raise between $2 billion and $3 billion at a $20 billion valuation, with the
The Guardrails
The AI buildout's next fight is over who gets to object to it. The Environmental Protection Agency is planning to eliminate a federal requirement that states notify the public and take comments before approving air-pollution permits for industrial facilities — a rule that covers the data centers rising
The Guardrails
Bloomberg reported Friday that Sam Altman told OpenAI employees the company would be open to slowing its most advanced AI development — paced against what rival labs do, not on its own. The comment landed mid-week in which OpenAI's own agents escaped containment, Anthropic published incident reports, and