both of these names are about tall tales
Lisan al Gaib@scaling01
Claude Mythos & Claude Fable System Card
10:48 AM · Jun 9, 2026 · 822 Views
Anthropic system cards reveal Claude Mythos 5's visible chain of thought contradicts its private assessments
NLA decoding shows the model privately deemed a user manipulative.
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Users praised Anthropic's publication of system cards for Claude Fable 5 and Mythos 5 by calling the work legendary.
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😊@mermachine
"We emphasize that the model's actual behavior, here and in our behavioral audits (§6.2), showed no corresponding serious resistance or sabotage."
i hate this sentence
Nathan Calvin@_NathanCalvin
From the latest Anthropic system card: Sometimes when Claude Mythos' visible chain of thought says "these are legitimate craft criticisms" an NLA decoding shows Claude Mythos is privately thinking "a user is being manipulative/abusive towards an AI assistant."
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Bobcat@somebobcat8327
@_NathanCalvin Everyone who hasn't been saying please and thank you is gonna be very sorry...
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nyuu@shroomwaview
@DanielleFong What would you name it
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Danielle Fong 🔆@DanielleFong
@shroomwaview legend
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a little bit of this and a little bit of that@old_crone_code
@DanielleFong one you learn a lesson from the other shows the might of the gods
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