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Statement on the US government directive to suspend access to Fable 5 and Mythos 5
IA Programmation

Statement on the US government directive to suspend access to Fable 5 and Mythos 5

Statement on the US government directive to suspend access to Fable 5 and Mythos 5 Well this is nuts: The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees. The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance. Access to…

Simon Willison's Weblog
OpenAI WebRTC Audio Session, now with document context
IA Programmation

OpenAI WebRTC Audio Session, now with document context

OpenAI WebRTC Audio Session, now with document context I built the first version of this tool in December 2024 to try out the then-new OpenAI WebRTC API for interacting with their realtime audio models. Last month OpenAI introduced a brand new model to that API called GPT‑Realtime‑2, which they promoted as "our first voice model with GPT‑5‑class reasoning" - with a Sep 30, 2024 knowledge cut-off. I've been waiting for that model to show up in the ChatGPT iPhone app but it still hasn't, so I…

Simon Willison's Weblog
152 Chrome Live Wallpaper Extensions Hid Ad Tracking and Faked Google Search Traffic
Cybersécurité Programmation

152 Chrome Live Wallpaper Extensions Hid Ad Tracking and Faked Google Search Traffic

Socket's Threat Research Team identified a family of 152 Chrome Web Store new-tab "live wallpaper" extensions, built from one shared codebase but distributed across 38 separate Chrome Web Store publisher accounts and three brand backends, carrying a combined total of approximately 105,000 reported installs. Every listing declares on the Chrome Web Store that it will not collect or use user data, while the linked privacy policy admits the opposite: that the extensions log IP addresses, ISP,…

Socket
Quoting Andrew Singleton
IA Programmation

Quoting Andrew Singleton

Jenny owns a crematorium. John’s propane company gives her a $20 billion investment in return for 5 percent of her operation. Jenny throws $10 billion into the incinerator, then pays John $10 billion to buy propane to burn that money to ashes. John reports that his AI investments have generated $10 billion in revenue this quarter and that he owns 5 percent of a $100 billion business. A reporter from Forbes is assigned to profile John and Jenny, and over the course of his research, he becomes…

Simon Willison's Weblog
The PHP Podcast 2026.06.11
Programmation Web

The PHP Podcast 2026.06.11

🎙️ PHP Podcast – June 11, 2026 Guest Hosts: Sara Golemon, Elizabeth Barron & Holly Schilling Eric and John are out this week — Sara, Elizabeth, and Holly take over. Here’s what they covered: 🎬 PHPVerse Recap PHPVerse just wrapped up, and Elizabeth was there in Amsterdam. The format is unusual — all speakers are […] The post The PHP Podcast 2026.06.11 appeared first on PHP Architect.

PHP Architect
Claude Fable is relentlessly proactive
IA Programmation

Claude Fable is relentlessly proactive

After two days of experience with Claude Fable 5 I think the best way to describe it is relentlessly proactive. It knows a whole lot of tricks and it will deploy pretty much any of them to get to its goal. I'll illustrate this with an example. I was hacking on Datasette Agent today when I noticed a glitch: a horizontal scrollbar that shouldn't be there in the jump menu chat prompt. I snapped this screenshot: Then I started a fresh claude session in my datasette-agent checkout, dragged in the…

Simon Willison's Weblog
Andrew Becherer Joins Socket as Chief Information Security Officer
Cybersécurité Programmation

Andrew Becherer Joins Socket as Chief Information Security Officer

AI now writes as much as 90% of code at top engineering organizations, and the developers downstream of that code pull in open source they've never reviewed. Package hijackings and maintainer compromises that were once a handful of incidents a year now happen weekly. Modern engineering organizations depend on open source to ship faster, and they need security partners who can keep pace with that shift. Today, we're welcoming Andrew Becherer as Socket's first Chief Information Security Officer.…

Socket
datasette 1.0a33
IA Programmation

datasette 1.0a33

Release: datasette 1.0a33 This alpha is a significant step on the road to a stable 1.0, finally extending the ?_extra= pattern I introduced in Datasette 1.0a3 to cover queries and rows in addition to tables. That pattern is also now documented! I wrote a whole lot more about the new release on the Datasette project blog: Datasette 1.0a33 with JSON extras in the API. Because API explorer tools are almost free to build now I had Claude Fable 5 in Claude Code (for the plan) and GPT-5.5 xhigh in…

Simon Willison's Weblog
Prompt-Injection Guardrails in Laravel: Defend the Tools, Not the Prompt
Programmation Web

Prompt-Injection Guardrails in Laravel: Defend the Tools, Not the Prompt

You can't out-prompt an attacker — to the model, your system instructions and a malicious support ticket are the same text. So stop defending the prompt and lock down the boundaries you actually control: tools scoped to the authenticated user server-side, middleware that screens and logs, output handled as untrusted input, a human in front of anything irreversible, and a fake-free test that fails CI the moment someone drops the auth scope. Read more

Freek Van der Herten
Anthropic Walks Back Policy That Could Have ‘Sabotaged’ AI Researchers Using Claude
IA Programmation

Anthropic Walks Back Policy That Could Have ‘Sabotaged’ AI Researchers Using Claude

Anthropic Walks Back Policy That Could Have ‘Sabotaged’ AI Researchers Using Claude Big scoop for Maxwell Zeff at Wired: “We’re changing Fable 5’s safeguards for frontier LLM development to make them visible.” Anthropic said in a statement to WIRED. “We made the wrong tradeoff and we apologize for not getting the balance right.” There's been a huge outcry about Anthropic's policy, tucked away in their system card, that Claude Fable/Mythos would identify "requests targeting frontier LLM…

Simon Willison's Weblog