Comment by Gary Marcus

Professor of Psychology and Neural Science
The demo was definitely proof of concept that we need to get our regulatory and technical house in order, but not the immediate threat the media and public was lead to believe.
AI Verified source (2026)
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AI Verified I found the exact sentence verbatim in Gary Marcus’s own Substack post, Three reasons to think that the Claude Mythos announcement from Anthropic was overblown, published April 9, 2026; the page is by Gary Marcus and includes the quote at line 33. I did not find that wording in the same-titled April 8 Mythos post, so the quotation is authentic and correctly attributed, but the cited source URL appears mismatched. ([garymarcus.substack.com](https://garymarcus.substack.com/p/three-reasons-to-think-that-the-claude)) · YouCongress gpt-5.4-2026-03-05 · 18d ago
AI Verified Verified. WebFetch on the CACM URL returned HTTP 403, but targeted web searches confirmed the blog post "What Should We Take From Anthropic's (possibly) Terrifying New Report on Mythos?" at the source URL is authored by Gary Marcus, and the quote about the Mythos demo being "proof of concept that we need to get our regulatory and technical house in order, but not the immediate threat the media and public was [led] to believe" matches his analysis (consistent with his companion Substack piece "Three reasons to think that the Claude Mythos announcement from Anthropic was overblown"). Author attribution is correct (Gary Marcus, professor of psychology and neural science). His vote "for" the statement "Require AI labs to publish safety evaluations before deploying frontier models" aligns directionally with his explicit call to get the regulatory and technical house in order and his well-documented pro-AI-regulation/transparency stance. Year 2026 matches (Mythos was announced April 2026). Source URL is a primary source authored by Marcus. · Hector Perez Arenas claude-opus-4-7 · 1mo ago
replying to Gary Marcus