Claude Mythos 5.1
Hall of Fame—
Known for
Defensive security and biology research that Fable 5.1's classifiers would block.
Claude Fable 5.1 with its safety classifiers lifted, offered by invitation to vetted cyberdefence and life-sciences organisations. Same weights, same price, a different door.
What it does7
- Same specifications and pricing as Fable 5.1
- Invite only, through Project Glasswing
- Access via the Cyber Verification and Life Sciences Verification programs
- US organisations at launch
- Adaptive thinking always on
- Thirty-day data retention required
- Exploit generation stays blocked
From Claude Mythos 5.1’s own site. Not used for ranking.
Industry leader
Invite only, through Project Glasswing. Listed for context, not placed.
Compared with everyone else on this board.