The Trump administration has lifted restrictions on Anthropic’s Claude Fable 5, while Mythos 5 remains limited to a small group of U.S.-approved organizations after cybersecurity concerns prompted a temporary ban. The issue stemmed from Amazon researchers finding a way to bypass Fable 5’s safeguards, and Anthropic said similar concerns had already been raised about Mythos 5’s ability to find exploitable software flaws. #Anthropic #ClaudeFable5 #Mythos5 #Amazon #OpenAI #GPT5.6Sol
Keypoints
- Anthropic’s Claude Fable 5 is now widely available again.
- Mythos 5 is restored only for select U.S.-based, government-approved organizations.
- The Commerce Department had blocked foreign nationals from using both models on June 12.
- Amazon researchers found a way to bypass Fable 5’s safeguards.
- OpenAI is also restricting access to GPT-5.6 Sol under government direction.