Mythos Preview

Anthropic🇺🇸 United States
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Version History

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Mythos Preview released as restricted-access model to 40 organizations for defensive security applications. Model demonstrates capability to find tens of thousands of vulnerabilities and autonomously create working exploits across major operating systems.

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model releaseAnthropic

Anthropic withholds Mythos Preview model due to advanced hacking capabilities

Anthropic is rolling out its Mythos Preview model only to a handpicked group of 40 tech and cybersecurity companies, withholding public release due to the model's sophisticated ability to find tens of thousands of vulnerabilities and autonomously create working exploits. The model found bugs in every major operating system and web browser during testing, including vulnerabilities decades old and undetected by human security researchers.

3 min read