US approves targeted restart of Anthropic’s Mythos 5 for defenders
TL;DR
The U.S. Commerce Department has allowed Anthropic to redeploy Mythos 5 to about 100 trusted organizations for defensive cyber use, signaling confidence in the model’s guardrails after export-control shutdowns. Access will be limited to government and partner entities, with ongoing talks about restoring Fable 5. The move comes as OpenAI rolls out GPT-5.6 in phases amid broader debates over AI safety and national security.
- U.S. government gives Anthropic green light for limited re-release of Mythos 5 NBC News
- US government allows Anthropic limited release of AI model that sparked cybersecurity concerns CNN
- Trump admin allows Anthropic to release Mythos AI model to some companies, government agencies CNBC
- Trump Administration Rolls Back Part of Anthropic Model Ban WSJ
- Anthropic’s Mythos model found vulnerabilities in classified US government systems, official says Federal News Network
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