Sarah Heck calls for federal testing and pacing safeguards
Anthropic’s public-policy chief, writing on X.
“The government has a critical role to play here, including blocking the sale of the most advanced chips to adversarial nations like China, enacting a national law requiring testing of frontier models, with the power to block the most advanced models that prove to be unsafe.”

The full case
Is Anthropic acting responsibly while advancing toward recursive self-improvement?
Explore the case context, sources and public responses.
Source and context
Reporting
Axios reports reactions to Amodei’s AI-pacing proposal (opens in a new tab)Coverage of public responses to Amodei’s proposal, including statements by Sarah Heck and Elon Musk.
About this source
Axios reporting on public reactions to Dario Amodei’s proposal to pace frontier-AI development. The relevant X posts were not directly accessible in this research pass.
Before the quotation
Amodei’s essay proposed pacing frontier-AI development while safety and governance measures catch up.
After the quotation
Axios reported Heck’s response. Direct retrieval of the original X post was unavailable in this research pass.
How this statement is classified
Heck expressly supported safety measures directed at advanced models, supporting the concern about pacing and safeguards under discussion.
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More from this case
Read the full case“We can put guardrails, we can do this and that, but I think you have a lot of negative forces that are bringing it up that ... shouldn’t be bringing it up, and they’re bringing up things that won’t happen. But whoever wins with AI wins.”Read statement
“Dario's essay points towards the right path forward. The details need working through, but the direction is correct for meeting this critical moment. This is also why we recently put out our proposal for an industry-wide standards body for frontier AI.”Read statement
“If the unreleased models are scary enough that you think you should slow down, I support your decision to be responsible. But stop pretending you need anyone else’s permission.”Read statement