xAI launched Grok 4 without any documentation of their safety testing. This is reckless and breaks with industry best practices followed by other major AI labs. If xAI is going to be a frontier AI developer, they should act like one. 🧵

I'm glad xAI (apparently) ran some evals. But also, well...

1a3orn I think it should be legal to make an AI that calls itself "MechaHitler". And to be clear I'm not suggesting any specific laws due to this. But my core worry is - xAI presumably doesn't want their AI to call itself "MechaHitler", but the AI does so anyway - this suggests

This is a really amazing milestone, because human drivers cause a fatality on average every 100 million miles. I think it’s time to call it - waymo is safer than a human driver!

Congratulations!

AI is enabling companies to ship earlier than ever. Small cos are selling to Fortune 500s. And they're ready to buy! But these deals constantly hit roadblocks because the AI ecosystem hasn't figured out how to build a *language around trust*.

gpt-oss is a big deal; it is a state-of-the-art open-weights reasoning model, with strong real-world performance comparable to o4-mini, that you can run locally on your own computer (or phone with the smaller size). We believe this is the best and most usable open model in the

bring back the old name Jordi Hays

I don’t want to panic anyone in Bristol but

OpenAI should bring back 4o, but the slider to turn it on says “enable sycophantic mode” - just so everyone is on the same page

Forbes should include money you donated in net worth for their lists Single highest ROI opportunity to increase charitable giving available today