Claude Mythos, model, Anthropic Inc., San Francisco, California, USA

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Developer - Anthropic Inc.

Claude Mythos on Wikipedia

Claude, AI assistant

Project Glasswing

 

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"Assessing Claude Mythos Preview’s cybersecurity capabilities"

April 7, 2026

 

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Article "White House Works to Give US Agencies Anthropic Mythos AI"

by Jake Bleiberg and Margi Murphy
April 16, 2026

 

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"Cybersecurity Braces for AI ‘Bugmaggedon’"
AI models like Anthropic's Mythos are finding software bugs at an unprecedented rate, kicking off a cybersecurity scramble to prevent what experts are calling “bugmageddon.” Thanks to these new models, hackers will be able to exploit those bugs more quickly than ever before. WSJ’s Robert McMillan explains why major corporations and the White House are scrambling to patch their systems. Jessica Mendoza hosts.

April 21, 2026

 

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Article "Mozilla Used Anthropic’s Mythos to Find and Fix 271 Bugs in Firefox"
The Firefox team doesn’t think emerging AI capabilities will upend cybersecurity long term, but they warn that software developers are likely in for a rocky transition.

by Lily Hay Newman
April 21, 2026

 

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Article "Anthropic’s Mythos Model Is Being Accessed by Unauthorized Users"

by Rachel Metz
April 22, 2026

 

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Article "White House Opposes Anthropic’s Plan to Expand Access to Mythos Model"
Relationship is still complicated despite efforts from both sides to de-escalate

by Robert McMillan and Amrith Ramkumar
April 30, 2026

 

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Article "Could Claude Mythos Actually Destroy the Internet?"
Anthropic says its new AI model is too dangerous to be released to the public. But Mythos’s real danger is not what you think.

by Brian Phillips
May 6, 2026

 

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Article "Anthropic to brief global financial watchdog on cyber flaws exposed by Mythos"
US tech group will discuss capabilities of its new AI model with members of the Financial Stability Board

by Martin Arnold
May 18, 2026

 

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Article "Claude Mythos AI Finds 10,000 High-Severity Flaws in Widely Used Software"

by Ravie Lakshmanan
May 23, 2026

 

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Article "Anthropic’s Mythos Is a Security Powerhouse. It’s Also a Budget Buster"

by Aaron Holmes
June 1, 2026

 

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"Claude Fable 5 and Claude Mythos 5"

June 9, 2026

 

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Article "Anthropic releases Claude Fable 5, a 'Mythos-class' AI model with safeguards"

by Brent D. Griffiths
June 9, 2026

 

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Article "Anthropic Offers Mythos Upgrade for Cyber Partners and a ‘Safe’ Version for the Rest of You"
Anthropic is releasing Claude Mythos 5 to trusted organizations and Claude Fable 5 to the public, a version it says can’t be used for cyberattacks.

by Maxwell Zeff and Lily Hay Newman
June 9, 2026

 

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Article "Anthropic’s new model is Mythos on a leash"
Claude Fable 5 offers Mythos-level performance for most tasks with safeguards on sensitive topics. Anthropic claims testing found no universal jailbreaks. Whether that actually holds up in practice is harder to predict.

by Derek B. Johnson
June 9, 2026

 

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Article "Anthropic's warning over AI self-improvement has a hidden message — accelerating development requires more compute before companies ever risk losing control of frontier AI models"

by Luke James
June 9, 2026

 

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Article "Anthropic brings Mythos to the masses with Claude Fable 5, its most powerful generally available model ever"

by Carl Franzen
June 9, 2026

 

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

by Alistair Barr
June 10, 2026

 

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Article "Anthropic spent months saying Mythos was too dangerous to release — then it launched a public version called Fable 5 that it warns ‘comes with risks’"
Anthropic says Fable 5 brings Mythos-class AI to ordinary Claude users — but only after the addition of extensive safety controls.

by Graham Barlow
June 10, 2026

 

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"Statement on the US government directive to suspend access to Fable 5 and Mythos 5"

June 12, 2026