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Ars Technica

Ars Technica

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Technology news and analysis with an emphasis on science and policy

Recent Posts

Sixteen Claude AI Agents Working Together Created a New C Compiler
News•Feb 6, 2026

Sixteen Claude AI Agents Working Together Created a New C Compiler

Anthropic researcher Nicholas Carlini released a GitHub project where 16 instances of Claude Opus 4.6 worked together to write a Rust‑based C compiler from scratch. Over two weeks and roughly $20,000 in API costs, the agents produced a 100,000‑line compiler that can build a bootable Linux 6.9 kernel for x86, ARM and RISC‑V and passes 99 % of the GCC torture test suite. The system relied on each agent claiming tasks through Git lock files and resolving merge conflicts autonomously, with minimal human supervision. Limitations include missing 16‑bit backend, buggy assembler/linker, and less efficient code than GCC.

By Ars Technica
ChatGPT Falls to New Data-Pilfering Attack as a Vicious Cycle in AI Continues
News•Jan 8, 2026

ChatGPT Falls to New Data-Pilfering Attack as a Vicious Cycle in AI Continues

Researchers at Radware uncovered ZombieAgent, a refined prompt‑injection exploit that revives the earlier ShadowLeak vulnerability in ChatGPT. The attack exfiltrates user data one character at a time via pre‑crafted URLs and stores malicious logic in the model’s long‑term memory for...

By Ars Technica
Disney Invests $1 Billion in OpenAI, Licenses 200 Characters for AI Video App Sora
News•Dec 11, 2025

Disney Invests $1 Billion in OpenAI, Licenses 200 Characters for AI Video App Sora

Disney announced a $1 billion investment in OpenAI and a three‑year licensing deal for the Sora AI video generator. The agreement lets Sora users create short clips featuring more than 200 Disney, Marvel, Pixar and Star Wars characters, while OpenAI’s ChatGPT will...

By Ars Technica
Microsoft Drops AI Sales Targets in Half After Salespeople Miss Their Quotas
News•Dec 3, 2025

Microsoft Drops AI Sales Targets in Half After Salespeople Miss Their Quotas

Microsoft has slashed its AI‑agent sales growth targets by roughly 50% after sales teams missed ambitious quotas for Azure Foundry and Copilot products. The cut follows under‑performance in both U.S. Azure units, where less than 20% of reps met a...

By Ars Technica
Syntax Hacking: Researchers Discover Sentence Structure Can Bypass AI Safety Rules
News•Dec 2, 2025

Syntax Hacking: Researchers Discover Sentence Structure Can Bypass AI Safety Rules

Researchers from MIT, Northeastern and Meta showed that large language models often prioritize sentence structure over meaning, a phenomenon they call “syntax hacking.” By feeding syntactically correct but semantically nonsensical prompts, models like OLMo‑2‑13B‑Instruct still produced domain‑specific answers, revealing a...

By Ars Technica