BREAKING
Anthropic to Restore Mythos 5 in US
From Launch to Shutdown to Restore
1
June 9 launch
↓
2
June 12 suspended
↓
3
June 27 restore
Fable 5 vs Mythos 5
Fable 5
Public
●
Full safety guardrails
●
General-purpose use
Mythos 5
Restricted
●
Relaxed cyber safeguards
●
Project Glasswing partners
Fable 5 Leads on SWE-Bench Pro
Fable 5
80.3
Opus 4.8
69.2
GPT-5.5
58.6
0
Cloudflare bugs
0
high or critical
0
Firefox vulns
Balancing Export Controls and Access
AI NEWS BLITZ
Anthropic will bring back its suspended Mythos 5 model for some US groups.