Meet Claude Mythos: Leaked Anthropic post reveals the powerful upcoming model

Anthropic confirmed a data leak, anthropic confirmed the leak after a Fortune report.

Leaked assets About 3,000 internal assets were leaked, nearly 3,000 assets uploaded to the CMS were exposed.

The leak included unpublished blog drafts, files, and internal corporate information, assets included unpublished draft blog post, PDFs, images, employee details, and event information.

Content management system Anthropic said the CMS items were not marked private, anthropic attributed the leak to a content management system misconfiguration.

Claude Mythos Anthropic completed training of Claude Mythos, anthropic completed training and described it as their most powerful model to date in the leaked draft.