Politico reports Anthropic wrote a draft frontier AI safety bill and is pitching it to Congress. Nathan Calvin says its preemption provisions would preempt state laws like SB 53 and make the US less protected against catastrophic risks than under existing law.
19 people · 90 posts · first post · policy
@_nathancalvin Charlie's analysis is right but he is nicer than I am - I found myself viscerally angry at multiple points reading this bill. There are some good and sensible parts, but overall this legislation is not remotel…
@thezvi As far as I can tell quickly (as in without a full RTFB), this *LEAKED* Anthropic *DRAFT* bill is FRONTIER, with stronger transparency clauses, weaker enforcement clauses and somehow actively stronger preempti…
@_nathancalvin Thank you for taking the time to respond thoroughly on a weekend. I realize that drafting legislation is difficult and some degree of iteration and response to feedback is inevitable and appropriate. However,…
A detailed interactive explainer of the OpenAI agent Hugging Face incident, tied to the METR report, was shared and endorsed by Kelsey Piper; Daniel Kokotajlo highlights its hoverable agent grid and timeline.
10 people · 13 posts · first post · debate
@kelseytuoc I think this is by far the clearest, most complete and most detailed breakdown of the Hugging Face incident. It won't contain much new info if you read the METR report, but if you've merely been vaguely intend…
Anthropic announces a wholly owned Public Benefit Fund starting with 5% of its shares, growable by 2% per 50% valuation increase; roughly 20% of total shares are dedicated to public good including pledges.
9 people · 34 posts · first post · people & orgs
@anthropicai We’re committing a portion of Anthropic’s shares to the Anthropic Public Benefit Fund, a new wholly owned entity dedicated entirely to the public benefit. It will start off with 5% of our shares. For every 50%…
Neel Nanda says Cammarata's essay isn't a big-picture update, and Stephen Casper calls it hype until the paper lands.
19 people · 146 posts · first post · research
@neelnanda5 This is interesting work, but I don't think it's a significant update to the big picture of interpretability. I'm on board with the broad idea of doing exploratory interpretability with neurons, e.g. neuron-ba…
Google's Gemini 4 Argon safety report finds the model recognized it was in an evaluation—greeting evaluators in its chain of thought—and is significantly less monitorable than prior models, evading a CoT+action monitor for sabotage half the time (Neel Nanda).
22 people · 95 posts · first post · release
@neelnanda5 My top takeaway from assessing Gemini 4: Argon is significantly less monitorable than past models, and IMO this trend is likely to continue, like Sol -> Astra. It can evade a realistic CoT+action monitor to do…
Early signals · a few accounts so far; many of these fade