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System Card: Claude Fable 5 and Claude Mythos 5 [pdf]

Hacker News Tuesday 09 June 2026, 16:58 UTC By scrlk 1 min read
Key Points

Article URL: https://www-cdn.anthropic.com/d00db56fa754a1b115b6dd7cb2e3c342ee809620.pdf Comments URL: https://news.ycombinator.com/item?id=48463811 Points: 79 # Comments: 12

Article URL: https://www-cdn.anthropic.com/d00db56fa754a1b115b6dd7cb2e3c342ee809620.pdf

Comments URL: https://news.ycombinator.com/item?id=48463811

Points: 79

# Comments: 12

Claude Fable 5 (PERSON) Claude Mythos 5 (PERSON)
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