Anthropic revises S-1A warning that it may be approaching RSI threshold

1. 01:16
   Hacker News AI

   Anthropic's S-1/A diffed against its S-1 on the AI R&D acceleration threshold

   Anthropic's November 2, 2026 amended S-1 says its internal estimates and expectations about future models indicate it "may imminently meet" its Responsible Scaling Policy's threshold for dramatically accelerated AI progress, while stating no current model has been designated as exceeding it. The threshold is met by models that could fully substitute for Anthropic's research scientists and engineers at within 5x cost, or by observing or expecting roughly double the usual rate of AI progress plausibly due to automated R&D; Anthropic's August 2026 Risk Report put the pace below 2x and called the conclusion uncertain and lagging. The amendment also adds that Anthropic does not anticipate safely using Claude to fully autonomously design and build successive frontier models without meaningful human supervision, and that it is considering RSP updates to keep humans in control.

1. 06:14
   TechCrunch · AI

   Anthropic warns that it’s very close to RSI capability, aka self-building AI

   In its revised S-1A filing, Anthropic added risk-factor language saying its internal estimates and expectations for future models indicate it may imminently meet its Responsible Scaling Policy definition of "dramatically accelerated progress attributable to AI," though no current model has crossed that threshold. The company said it has already used AI to develop models whose capability leaps it did not recognize at the time, and that it is considering updates to keep humans in control of frontier model development.

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