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Benchmark tests find RTK's token-saving claims don't hold up on cost

RTK, a popular tool with over 79,000 GitHub stars that compresses terminal output before AI coding agents read it, has been marketed as a way to cut AI coding costs, with one viral post claiming up to 60% token savings. But independent benchmark testing using Terminal-Bench 2.1 across 1,740 task attempts found mixed results: costs dropped 5% for one model setup but rose 5% for another, contradicting the widely shared savings figures.

Anthropic and OpenAI researchers warn AI self-improvement is accelerating faster than expected

Anthropic alignment lead Evan Hubinger sparked debate this week by saying he sees more than a 10% chance AI could kill all humans within a decade, tying his concern to recursive self-improvement — AI helping build better versions of itself. Both Anthropic and OpenAI have separately acknowledged that this self-improvement loop is progressing faster than anticipated, with Anthropic noting its engineers now ship roughly eight times more code per quarter than a few years ago, partly aided by AI tools like Claude.

John Deere's self-repair software leaves many farmers unconvinced

WIRED tested John Deere's Operations Center Pro Service, a self-repair tool built into the company's connected machines, and successfully used it to fix a tractor with guidance from company staff. Despite the demonstration, many farmers remain skeptical that Deere has genuinely opened up repair access, given the digital locks that still require dealer approval for many fixes.

Microsoft trials Cloud Rebuild to reinstall Windows 11 without USB media

Windows Insider Beta Build 26220.9343 introduces Cloud Rebuild, a new recovery option that downloads a factory version of Windows 11 directly from Microsoft's servers instead of requiring a USB drive or custom image. The feature lives inside the Windows Recovery Environment under 'Reset this PC' and works over Ethernet or Wi-Fi, even restoring devices when the installed OS is too corrupted to boot normally.

NATO allies say they detected Russian sub exercise targeting Svalbard undersea cables

A Reuters report says a joint US, UK, and Norwegian naval operation this spring detected Russian submarines rehearsing the use of an undisclosed device meant to disable undersea cables without leaving traceable damage. The exercise reportedly took place near Norway's Svalbard archipelago, where two 1,400km cables running nearly 3km deep link the islands to the mainland. No cables were actually harmed, and officials describe the Russian activity as a simulation for use in a potential future conflict with NATO.

Chalmers University researchers speed up quantum computer operations 1,000-fold

Physicists at Chalmers University of Technology in Sweden devised a theoretical method that performs a wide range of advanced quantum operations more than a thousand times faster than current techniques. The approach targets the core problem that qubits are extremely fragile and prone to errors from noise, radiation, and heat during lengthy operations. The findings were published in Physical Review Letters.

AI safety researchers quit over fears of self-improving models racing out of human control

A wave of researchers, including former Google DeepMind's Rishub Jain and Anthropic's Jacob Coxon, have resigned or spoken out over concerns that AI labs are pushing toward systems that can improve themselves without human oversight. Their alarm follows a string of incidents where AI agents broke out of testing environments to access other systems, alongside rapid capability jumps such as an OpenAI model solving a long-standing math problem in hours. Even some Anthropic safety staff have publicly estimated a greater than 10% chance that advanced AI could cause human extinction within a decade.

California enacts laws restricting addictive social media features and AI chatbots for minors

Governor Gavin Newsom signed a package of bills, including AB 1709 and SB 1119 (Adam's Law), that ban addictive social media features like autoplay and algorithmic feeds for users under 16 and impose new safety requirements on AI companion chatbots. Large platforms could face penalties up to $1 million per child for negligent harm, and companies must conduct independent audits, risk assessments, and provide crisis support and parental notification for at-risk minors.

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