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Claude Mythos 5.1

Announced Released
Original sources1

The update, in brief

Mythos 5.1 shares the Fable 5.1 model with different safeguards and restricted access.

What’s new

  • Available only through trusted access programs, initially to selected US organizations in cyberdefense and life sciences.

Availability details

Available only through trusted access programs, initially to selected US organizations in cyberdefense and life sciences.

Availability and conditions refer to the original announcement.

Original sources

1

Read the announcement, watch the demo, or hear from the team.

More about this release

Demos, launch pages and discussions explicitly connected to this announcement.

Summarized from the linked sources. Availability refers to the announcement date.

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