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Claude Mythos 5

Model
AnthropicFamily Claude 5restricted-legacy

A high-capability Claude 5 model offered through trusted-access programs with specialized safeguards.

Released
Jun 9, 2026
Context window
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Modality
textimage
Open source
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API available
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Releases
1

Releases

1
Jun 9, 2026Claude Mythos 5 released to vetted partnersClaude Mythos 5 · 5

Anthropic released Claude Mythos 5 to a limited set of vetted cybersecurity partners through trusted-access programs.