BREAKING
US Restores Mythos 5 Access
From Freeze to Partial Rollback
1
Jun 9: Models unveiled
↓
2
Jun 12: Access frozen
↓
3
Jun 26: Partial reopen
0
+
trusted partners
Mythos 5 vs Opus 4.8 Benchmarks
SWE-Bench Mythos
80.3
SWE-Bench Opus
69.2
Cyber Mythos
78
Cyber Opus
40
Reopened vs Still Restricted
Mythos 5
Reopened
●
For ~100 trusted partners
●
Some guardrails removed
Fable 5
Restricted
●
Safety classifiers added
●
General release unclear
Safety vs Access Still Unsettled
AI NEWS BLITZ
The US government has restored access to Anthropic's Mythos 5 for trusted partners.