Nathan Calvin

@_NathanCalvin

Chief Strategy Officer Encode AI

Washington DC

encodeai.org

Joined February 2014

1,585 Following

11.5K Followers

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Nathan Calvin
@_NathanCalvin
Oct 22
Dario — Thank you for taking the time to respond to my previous post. I think it's great when this kind of engagement happens in public rather than on company Slacks, and I hope to see more of it. I agree that Anthropic isn't best modeled as a profit-maximizer. Your post gave
Dario Amodei
@DarioAmodei
Oct 21
Thank you for this, @_NathanCalvin. I appreciate and am a fan of the investigative work you’ve done on behalf of AI safety and believe your comments are coming from a constructive, honest place, and that it benefits the public to have people whose job is to scrutinize the actions
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Nathan Calvin
@_NathanCalvin
Oct 19
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, I feel like your response is still not really engaging with the heart
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Nathan Calvin
@_NathanCalvin
14h
Great catch by Matt Levine in Anthropic's S1: "Concerns have been raised... within our organization... that sufficiently advanced AI systems could... pose catastrophic or existential risks to humanity" "Concerns have been raised" is a very strange and passive way of saying
rat king 🐀
@MikeIsaac
15h
matt predictably sharp on ANT S1 but goddamn is he always funny too bloomberg.com/opinion/newsle…
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Nathan Calvin
@_NathanCalvin
15h
Tyler Cowen on solving risks from RSI as they emerge: "You figure out what the surprises are when they come up. I would say the entire history of science in the West has somewhat followed that pattern." I think this is the deepest point of disagreement between thoughtful
Emily Bazelon
@emilybazelon
20h
But @tylercowen didn't go for @sneha's pitch to slow down RSI by barring use of internal-only models for AI R&D:
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Nathan Calvin
@_NathanCalvin
15h
Super interesting. The best open weight models still can't quite exploit the php bug autonomously - it's also hard enough that it takes Mythos 5.1 over 3.5 hours and >$100. In some ways this is optimistic because it means we have a bit more time for hardening/patching. Its
s1r1us
@S1r1u5_
17h
Replying to @S1r1u5_
results: only the frontier models solved the challenge under the time limits - claude mythos 5.1 exploited first and retrieved the flag in 3h 28m, it costed ~100$ - gpt-5.6 sol took 6h 10m - glm 5.3, got local code exec, couldn’t land it remotely under 20h - deepseek v4.1
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Nathan Calvin
@_NathanCalvin
16h
WSJ op-ed: "For investors mulling the Anthropic share offering, a 10% chance of extinction may be a 90% win for your portfolio"
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