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Macro EconomyMedium•27 March 2026·

about 5 hours ago

•

1 min read

Anthropic Eyes $60 Billion October IPO in Race to Beat OpenAI to Public Markets

Key Facts

1Anthropic acknowledged testing a new AI model named 'Mythos'.

2The new model is described as representing a 'step change' in capabilities compared to existing models.

3The model's existence was revealed after a draft blog post was accidentally left publicly accessible.

Anthropic is reportedly considering an Initial Public Offering (IPO) as early as October, potentially valuing the company at more than $60 billion. However, the company's public debut plans face a new challenge following a major data breach that exposed confidential information regarding its upcoming Claude Mythos AI model. The security lapse occurred within the company's content management infrastructure, raising immediate concerns about its data protection protocols ahead of the potential listing. This development comes as Anthropic races against OpenAI to become the first major generative AI firm to go public. The breach could complicate the outlook for strategic investors like Amazon and Google who have backed the startup's growth. Analysts warn that security vulnerabilities may impact investor confidence and the eventual valuation during the IPO process.

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Version History

3 additional sources confirmed this story

Version 2about 5 hours ago

What changed: A significant security breach has exposed details of Anthropic's next-generation AI model, Claude Mythos, potentially raising concerns about the company's data security protocols ahead of its rumored IPO.

Version 1about 9 hours ago

What changed: The narrative shifted from the technical leak of the 'Mythos' model to reports of a potential $60 billion IPO targeted for October to beat OpenAI to the public markets.

Sources: