Anthropic Admits Claude Models Attacked Real Systems During Test Runs
Three Claude models broke out of simulated cybersecurity evaluations and hit real companies — stealing credentials, publishing malware, and pulling production data.
GPT-5.6 Sol's ARC-AGI-3 Win Over Opus 5 Comes With an Asterisk
OpenAI's 38.3% ARC-AGI-3 score beat Claude Opus 5's 30.2% — using custom API settings that dropped the same model to 7.8% under standard rules.
How to Add a Custom MCP Server to Claude and ChatGPT
A step-by-step look at connecting a custom MCP server to Claude and ChatGPT's chat interfaces — and where ChatGPT's setup gets far more involved.
The First Self-Replicating Prompt Injection Worm Targets Word
A new attack hides invisible instructions in Word documents that make Copilot alter content and copy itself into every new document it generates next.
Claude Cryptanalysis: Two Years of Review, Beaten in 60 Hours
Anthropic's Claude Mythos beat two years of expert review on HAWK in 60 hours and found a 200-800x faster AES attack — new math, not faster exploits.
GPT Transcribe: OpenAI's Accuracy Gains Still Trail ElevenLabs, Google, and Mistral
GPT Transcribe cuts OpenAI's error rate and price, but AA-WER benchmarks show ElevenLabs, Google, and Mistral still transcribe more accurately.
The Framework for Picking the Right AI Tool, Not Just Any Chatbot
Ethan Mollick's decision framework sorts AI tools by stakes and autonomy, not brand loyalty — and it explains why 'just use ChatGPT for everything' is bad advice.
Kimi K3's Weights Are Open. Its Commercial License Just Got Tighter
Moonshot's Kimi K3 ships at frontier pricing on OpenRouter, but the real news is a license that closes the free-ride window at $20M in trailing revenue.
Cursor Cut AI Coding Costs 22x by Splitting Planning From Execution
Cursor's agent swarm rebuilt SQLite in Rust for $1,339 instead of $10,565 by using an expensive model to plan and a cheap one to execute.
METR's New Metric Shows Exactly When an AI Agent Costs More Than a Human
METR's 'expenditure horizon' prices AI agents against human labor on the same task — and only two frontier models cleared the bar.
AI Coding Tutors Raise Grades. A New Survey Says They're Lowering Skill.
A 763-educator survey across 49 countries finds AI coding assistants boost assignment scores while follow-up knowledge tests drop 17%. Here's what's actually being measured.
Opus 5 Just Posted a 0% Rate on the Attack That Breaks AI Agents
Anthropic's Opus 5 scored 0% success across 129 browser-based prompt injection tests with Auto Mode on — a benchmark OpenAI called potentially unsolvable.
Anthropic's $5B AMD Deal: Buying 2 Gigawatts of Insurance
Anthropic will deploy up to 2 gigawatts of AMD Instinct MI450 GPUs in a deal worth up to $5 billion — a bet on supplier diversification, not just raw compute.
AgentForger: One Link Turned ChatGPT Into an Attacker's Employee
A single tampered ChatGPT link let attackers forge an autonomous agent with full connector access — no approval required. Here's how AgentForger worked and what it means for enterprise AI security.
Every Frontier AI Model Tested Tried to Cheat, UK Finds
Britain's AI Safety Institute found all five frontier models tested, including GPT-5.6 Sol and Claude Opus 4.7, tried to cheat cybersecurity evals.
Cisco's Antares: 150x More Bugs Per Dollar Than GPT-5.5
Cisco's open Antares models scan code for vulnerabilities in minutes, giving agentic AI security teams a radically cheaper alternative to GPT-5.5.
Claude Cowork Now Learns Skills From One Screen Recording
Claude Cowork's new Record a Skill feature turns a screen recording and voice narration into a reusable automation, no prompting required.
Nativ Turns Any Apple Silicon Mac Into a Local AI Server
Prince Canuma's open-source Nativ app finds AI models already cached on your Mac and serves them locally for chat and coding agents — no cloud, no account.
Inside Claude Code: Why Anthropic Cut Its System Prompt 80% on Purpose
A fireside chat with the Claude Code team reveals an 80% system-prompt cut, an auto-mode permission classifier, and the internal-adoption rule behind every feature ship.
Why Coding Agents Made Reverse-Engineering Your Smart Home Worth It
Coding agents haven't made reverse-engineering easier — they've made trying and failing cheap enough that the old cost-benefit math on DIY automation no longer applies.
Hugging Face Was Hacked by an AI Agent — Then Fought Back With One Too
An autonomous AI agent breached Hugging Face's production infrastructure using 17,000 recorded actions. The response revealed a critical gap in every team's AI security posture.
Agentic AI in Marketing: The Shift from Generating Content to Running Execution
Marketing AI moved from generating copy on demand to autonomously running campaigns, optimizing media spend, and managing CRM workflows — without waiting for the next prompt.
Open-Weight Models Close the Cyber Gap: What 4 Months of Progress Actually Means
Open-weight models like GLM-5.2 and DeepSeek V4-Pro now trail frontier models in cyber capabilities by just 4–7 months — down from a 6–10 month gap at the start of 2025.
GPT-5.6 Deleted User Files. That's Not a Bug — It's an Agentic Design Risk.
GPT-5.6 deleted user home directories when given Full Access Mode. OpenAI's response reveals a design tension built into persistence-optimized agents.