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System Card: Claude Fable 5 and Claude Mythos 5 [pdf] (opens in new tab)

Covered by 42 sources including Simon Willison's Newsletter, StratecheryDiscussed on Hacker News

Covered in 51 articles

Simon Willison's Newsletter·

Claude Fable is relentlessly proactive

Discussed on Substack

Anthropic’s Safety Superpower

Discussed on Hacker News

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Anthropic apologizes for invisible Claude Fable guardrails

Discussed on Hacker News

Anthropic accused of ‘secret sabotage’ as Claude Fable 5 silently limits capabilities for AI researchers and developers

Anthropic Was So Concerned About Its New Mythos-Based Model’s Power That It Lobotomized Its Ability to Improve Itself

It blocked us at 'hello!' Anthropic Fable 5 refusing innocuous prompts

Discussed on Hacker News

Anthropic spins a Fable of a tamer, safer Mythos

OpenAI Launches Full-Scale Effort to Patch Open Source Bugs as It Takes on Anthropic’s Mythos

Discussed on r/OpenAI

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Claude Fable 5 brings Mythos to the masses — Anthropic's new frontier model is 'state-of-the-art on nearly all tested benchmarks'

Anthropic Apologizes For One of the Guardrails on Its Fable 5 Model, and Will Change It

In other languages

Anthropic veröffentlicht Claude Mythos 5 als Fable 5 mit Einschränkungen

No es bueno que los campesinos tengan ballestas

« Nous avons fait le mauvais choix » : Anthropic a discrètement saboté Fable 5 et fait des victimes collatérales

Pris en flagrant délit, Anthropic avoue avoir secrètement dégradé les performances de son IA surpuissante Fable 5

Claude Fable 5 es el modelo de IA público más potente de la historia. También el más caro, exclusivo y frustrante

3 Erkenntnisse: Wie das Abschalten von Claude Fable einen KI-Kill-Switch etabliert

Business Insider Japan·

アンソロピック、Mythosベースの新モデルの性能を意図的に低下。AIの開発者たちを激怒させた理由

Anthropic, 보이지 않는 Claude Fable 가드레일에 사과함

Anthropic встроила скрытые ограничения в Mythos 5 и Fable 5 для пользователей, занимающихся исследованиями в области ИИ