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Essay argues prompt engineering should give way to automated evaluation pipelines

A commentator argues that instead of obsessing over crafting the perfect text prompts for LLMs, developers should build interlocking evaluation and optimization pipelines that use additional AI systems to manage and refine model behavior. The piece contends that treating prompts as meaningful language leads people to mistakenly attribute intent or consciousness to systems that have neither.

OpenAI's ChatGPT ad system links your browsing on other sites to your account via '__obi' cookie

OpenAI runs an advertising collector at bzr.openai.com that sets a persistent, account-linked cookie called __obi on the openai.com domain. When companies that advertise on ChatGPT embed OpenAI's tracking code on their own websites, that cookie is transmitted back to OpenAI along with details of the page being viewed, including products searched, articles read and purchases made. A security researcher says they reproduced the mechanism on their own device and found it active across 936 advertiser pixels spanning 1,029 hostnames.

Pirate Face Turns Hugging Face AI Models into Permanent Torrents

Pirate Face is a new decentralized, peer-to-peer network that converts open-source AI models from Hugging Face into checksum-verified torrents, distributed across a global swarm of seeders. The system aims to keep open models permanently accessible even if their original host removes them. Users can browse and download without an account, though creators can claim handles and verify their identity to earn a badge and prevent impersonation.

Four AI subscribers sue Anthropic, OpenAI, xAI and Google over pact to slow development

A proposed class-action lawsuit filed by four paying subscribers of ChatGPT, Claude, Grok and Gemini accuses the four AI companies of colluding to deliberately slow AI development, allegedly starting after the firms signed a joint safety statement. The plaintiffs' attorney, Nick Rowley, argues the coordinated slowdown reduces the value of paid subscriptions and lets powerful companies dictate AI safety policy through a private, self-serving arrangement rather than individual accountability.

Delft researchers give sub-100g drones whisker sensors for touch-based navigation

Engineers at Delft University of Technology built a lightweight whisker sensor system that lets tiny drones under 100 grams navigate by physical contact rather than cameras or LiDAR. Two whiskers mounted at the front connect to miniature pressure sensors that detect surface contact, letting the drone estimate depth, avoid obstacles, and map its surroundings using just 34KB of software.

EU proposes social media ban for under-13s, backs it with open-source age-check app

The European Commission unveiled a plan to bar children under 13 from social media, allowing parent-supervised accounts for ages 13 to 15. To enforce this, Brussels has built its own free, open-source age-verification app, being piloted in Cyprus, Denmark, France, Greece, Ireland, Italy and Spain, with full EU rollout expected by end of 2026.

Mathematicians push back as AI upends research norms after Navier-Stokes claim

Following OpenAI's announced solution to a Navier-Stokes Millennium Prize variant, thousands of mathematicians signed declarations like the Leiden Declaration and Math and AI letters seeking to protect research norms, while others opposed events such as the Caltech Mathathon. Economists and technologists pushed back, arguing mathematicians should adapt rather than resist AI's growing role. Po-Shen Loh's essay examines these objections and questions whether human mathematicians remain necessary.

Meta's new Muse AI agent raises data-collection concerns despite slick web browsing

A WIRED reviewer tested Meta's newly launched Muse app, an AI agent that connects to email, bank accounts and other personal data to handle tasks like bookings and errands. Though Muse downloaded over 900,000 times in its first week and browses the web more smoothly than earlier agents, the reviewer found it seemed more focused on gathering personal information than completing requested tasks.

Major AI labs' safety push draws regulatory capture concerns

OpenAI, Anthropic and other leading AI labs are promoting costly independent safety evaluations and a slower pace of frontier model releases. Some investors and analysts argue this push, while addressing genuine safety concerns, could function as a barrier that only well-funded labs can afford to clear.

PS Audio and Naim end CD player production as optical drive components disappear

PS Audio and Naim have both discontinued flagship CD-playing products, the PMG Super Audio CD Transport and Uniti Star, after their optical drive suppliers stopped making key mechanisms. The trouble traces back to D&M Holdings, owner of Denon and Marantz, which in mid-2024 announced it would stop taking orders for its SACD/CD mechanism, prompting a scramble among audio brands that doubled component prices before supply ran out entirely.

OpenAI's ChatGPT Now Auto-Updates Memory, Offers New Controls

ChatGPT's memory feature has evolved from requiring users to explicitly say 'remember this' into an automatic system that continuously updates and revises what it retains about you, a process OpenAI calls 'dreaming.' This means the chatbot now decides on its own what details from your conversations to keep, edit, or discard, shaping how it responds to future prompts.

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