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System Card: Claude Fable 5 and Claude Mythos 5 [pdf] (opens in new tab) 37 articles covering this post

www-cdn.anthropic.com··Hacker News·Open original

Covered in 37 articles

Anthropic apologizes for invisible Claude Fable guardrails

··Hacker News

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

theregister.com··Hacker News

Anthropic spins a Fable of a tamer, safer Mythos

theregister.com·

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

tech.yahoo.com·

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

After backlash, Anthropic says its AI will now tell users when their request is being rejected or downgraded for national security concerns

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‘Oh God, no! Not another thing:’ What Anthropic’s Mythos-class Fable 5 means for CEOs trying to govern AI

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

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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'

tomshardware.com

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

Claude Fable 5 secretly throttled AI researchers, and the internet went wild

If Claude Fable stops helping you, you’ll never know

simonwillison.net··Hacker News

[AINews] Anthropic Claude Fable 5 — Mythos but Safe, with Controversial Terms

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Anthropic purposely made its new Mythos-based models bad at AI research, and developers are fuming

businessinsider.com

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Claude Fable 5 and Mythos 5: The System Card

lesswrong.com·

Failing to Ragebait the New Gemma

lesswrong.com·

Thoughts on Claude Fable's silent safeguards

lesswrong.com·

Anthropic's Fable a cautionary tale

Claude Fable 5 and Mythos 5: The System Card

thezvi.substack.com··Substack

Claude Fable 5 and Mythos 5: The System Card

thezvi.wordpress.com·

Claude Fable 5 and new AI safety fables

interconnects.ai··Hacker News

An autopsy of Claude Code's deep research

Nine Things About Claude Mythos 5 That Matter If You’re Not an Enterprise Customer

thealgorithmicbridge.com·

After backlash, Anthropic says its AI will now tell users when their request is being rejected or downgraded for national security concerns

finance.yahoo.com·

Anthropic’s Fable is the most locked-down public model we’ve ever seen

understandingai.org

··Hacker News

If Claude Fable stops helping you, you'll never know

jonready.com··Lobsters, Hacker News

Anthropic releases Mythos-class Fable 5 model with safeguards for cyber risks

csoonline.com·

Anthropic releases Mythos-class Fable 5 with safeguards for cyber risks

Are Mythos’ cyber capabilities overhyped?

epochai.substack.com··Substack

The Ultimate Guide to Claude Fable 5

productcompass.pm

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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

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

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

businessinsider.jp·

Anthropic, 보이지 않는 Claude Fable 가드레일에 사과함

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