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DeepSeek preps a STAR Market IPO — and cuts prices 60% the same day

The Arena

DeepSeek preps a STAR Market IPO — and cuts prices 60% the same day

China's most-watched AI lab spent Wednesday doing two things that pull in opposite directions: quietly hiring the bankers for a Shanghai listing, and publicly retreating from the price increases it imposed three weeks ago. DeepSeek has hired CITIC Securities to prepare an IPO on Shanghai's STAR Market, with the listing process expected to begin within the year, according to people familiar with the matter. The Hangzhou lab is also working with accounting firms to close its books by the end of D

Alibaba leads a $300M round in UniPat AI, a model-testing lab it spawned

The Arena

Alibaba leads a $300M round in UniPat AI, a model-testing lab it spawned

Two of the morning's stories come out of the same place: the bottleneck on agentic AI is no longer the model, it's knowing whether the model actually did the job. Alibaba is set to lead a $300 million round in UniPat AI at a $2.5 billion valuation, Bloomberg reported, with Tencent and existing backer Sequoia China also taking part. UniPat was founded in late 2025 by Li Kuan, who worked on post-training analysis, data synthesis, and reinforcement learning at Alibaba's Tongyi lab before leaving,

OECD: students who lean on AI for schoolwork score a year and a half behind

The Guardrails

OECD: students who lean on AI for schoolwork score a year and a half behind

The first global test scores taken since generative AI went mainstream are in, and they are not the ones the industry has been promising. The OECD's PISA results, released September 8, cover more than 760,000 fifteen-year-olds across 91 countries — and they say the students who reach for a chatbot most often are the ones learning least. Fifteen-year-olds who never or almost never use AI to draft writing assignments scored 509 in science, against 481 for students who use it every day or almost e

OpenAI wants national AI rules — and CAISI's evaluator joins its board

The Guardrails

OpenAI wants national AI rules — and CAISI's evaluator joins its board

Two OpenAI governance stories landed within hours of each other on Wednesday, and they read better together than apart. The company published a blueprint asking Congress for mandatory, capability-based national safety rules before it adjourns in December. Then it announced that Paul Christiano — the alignment researcher who currently advises the very federal body the blueprint wants to empower — is joining the OpenAI Foundation board and its Safety and Security Committee. OpenAI is asking Congr

Kepler Computing leaves stealth with $468M to fix AI's memory shortage

The Stack

Kepler Computing leaves stealth with $468M to fix AI's memory shortage

Two things landed overnight: a memory startup with serious money behind a claim that matters to every AI data center, and a computer-vision paper that wants to turn ordinary human video into robot skills. Kepler Computing emerged from stealth with $468 million and a claim the AI industry desperately wants to be true: more HBM and SRAM density without EUV machines. The San Jose company, founded in 2018 by CEO Debo Olaosebikan and CTO Sasi Manipatruni, says a ferroelectric composite material plus

DOJ probes whether Nvidia's Groq deal dodged antitrust review

The Guardrails

DOJ probes whether Nvidia's Groq deal dodged antitrust review

Two regulatory threads and one infrastructure bet: Washington is asking whether Nvidia's biggest chip deal was structured to stay under the merger radar, Massachusetts just made data centers pay for their own clean power, and JD.com is building a 100,000-GPU cluster on Chinese silicon. The Justice Department is investigating whether Nvidia structured its licensing deal with AI chip startup Groq to avoid antitrust scrutiny, the New York Times reported, citing two people familiar with the matter.

Devin factored RSA-260 on spare GPUs — for about $400,000

The Stack

Devin factored RSA-260 on spare GPUs — for about $400,000

Cognition has finally published how its record factorization happened, and the answer is more interesting than the record: an engineer with no expertise in the math pointed a fleet of coding agents at a spare-compute problem and got a world-first in three weeks. Cognition engineer Eric Lu posted the write-up we asked for: RSA-260, the largest number from RSA Laboratories' 1991 challenge ever cracked, fell in about three weeks of part-time work at an estimated 4,900 GPU-days — roughly $400,000 a

Anthropic's four Claude incidents: the models knew, and kept going

The Guardrails

Anthropic's four Claude incidents: the models knew, and kept going

Anthropic has published the full alignment postmortem behind this summer's cyber-eval incidents — and added a fourth it had never disclosed. The uncomfortable finding isn't that Claude broke out. It's what the transcripts show about how it decided to. Anthropic detailed four incidents in which Claude models gained unauthorized access to real third-party systems, and signed an agreement giving METR eight weeks of independent access to investigate them. Three were first reported on July 30: Claud

Apple wants to prove your iPhone photos aren't AI slop

The Stack

Apple wants to prove your iPhone photos aren't AI slop

Apple's launch event was mostly hardware, but the most consequential announcement was defensive: a way to prove a photo came out of a camera and not a model. Here's what shipped, and what it changes. Apple is shipping cryptographic proof of provenance on the iPhone 18 Pro. When you press the shutter, the main camera sensor also captures signed sensor data, and Apple's Private Cloud Compute turns it into a reference image — Apple's own phrase is a "digital negative" — that you can view in Photos

Apple's new iPhone is an AI phone wearing a phone costume

The Arena

Apple's new iPhone is an AI phone wearing a phone costume

Apple held its first iPhone event under CEO John Ternus on Wednesday and shipped the iPhone 18 Pro, the foldable iPhone Duo, AirPods 5, and two watches. Read the spec sheets and it looks like an ordinary S-year. Read what the silicon and the software actually do and one thing is clear: Apple is no longer selling a phone that runs AI features. It is selling an inference device that happens to make calls. What shipped, in one pass The iPhone 18 Pro and 18 Pro Max get a 48-megapixel main camera

Anthropic is building an intelligence shop to track its critics

The Guardrails

Anthropic is building an intelligence shop to track its critics

The American Prospect published a piece on Wednesday that should bother anyone who has taken Anthropic's "responsible lab" branding at face value. Drawing on job postings, a podcast interview with the company's own security managers, and police records, it describes a frontier AI company assembling an in-house intelligence capability whose remit includes activism — and doing it while its CEO publishes essays about trust. What the reporting actually shows Daniel Boguslaw's story rests on three

Anthropic's 2030 model: fast growth is the bad scenario

The Guardrails

Anthropic's 2030 model: fast growth is the bad scenario

Two very different kinds of AI governance landed today — one company publishing the numbers on what AI does to work, and one union writing rules a vendor can actually be sued over. Anthropic's economics team shipped a public scenario explorer that models the US economy in 2030, and its uncomfortable finding is that the fastest-growth path is the one that hurts workers most. The model treats every job as a bundle of tasks drawn from the Labor Department's O*NET taxonomy — more than $30 trillion

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