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SIGNAL

Sunday, October 4, 2026
18 stories · 5 min read

★ Must ReadAn OpenAI safety employee has quit and is sounding the alarm

David Robinson used to write the safety reports that accompanied every major model release at OpenAI. This week, he resigned from his position and is now speaking out in an editorial in The Atlantic. It's understandable if you're feeling a bit cynical about everyone suddenly coming out of the woodwork to warn about how dangerous the thing they helped build is.

“OpenAI safety employee resigns, claiming the company’s ‘culture is broken’”
— TechCrunch AI

By his own admission, David Robinson is “something of a cliché”: an employee at a leading AI company who issues a dire warning while resigning from their job.

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“Meta open sources code to let you make Muse AI gadgets”
— The Verge AI

Meta now lets you make your own Muse gadgets that feature the company's new AI agent with code that the company open sourced. The company suggests projects like loading Muse on a color E Ink display to show reminders, adding it to an HDMI stick so you can display Muse on a big screen, or putting Muse on a small touchscreen device to make what looks kind of like a DIY Muse Charm. "Muse gadgets are open source devices you build yourself," Meta says.

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Inside-Out AI: Rebuilding Airbnb Behind the Scenes and Across the Guest Experience

After leading Meta’s Llama models, Ahmad Al-Dahle is now transforming Airbnb with AI — from how its teams develop products to how it serves guests.

Academia is for Ambition — Alex Zhang, MIT

We catch up with RLM first author Alex Zhang, MIT PhD, on Jev, PhD masxing, and the future of harnesses.

[AINews] Pi 1.0, Pi Durable, and AIE NYC

Latent Space — [AINews] Pi 1.

★ Must ReadThe Newsletters I Read First

Wonder Tools — The Newsletters I Read First

Qwen3.8 Flash Next, Swift 1.5, and MiMo V2.6: What I’m Testing Now

Kaitchup — Qwen3. 8 Flash Next, Swift 1. 5, and MiMo V2.

Apple changes full-disk access permissions to curb abuse from AI agents

Meta says FDA isn't sufficient to Muse reading messages. Apple begs to differ.

★ Must Read[AINews] not much happened today

Latent Space — [AINews] not much happened today

“An OpenAI safety employee has quit and is sounding the alarm”
— Terrence O’Brien, The Verge AI
“OpenAI safety employee resigns, claiming the company’s ‘culture is broken’”
— Anthony Ha, TechCrunch AI
“The Nvidia Shield TV Is 7 Years Old. It Just Got a $100 Price Hike”
— Ryan Whitwam, Ars Technica, WIRED AI
SIGNAL — October 4, 2026 | SIGNAL