MYTHOS 5
2 items
2 posts
Blog
Claude Mythos and Fable 5 Banned: The Export Controls That Shut Down Two Frontier ModelsThe US government ordered Anthropic to suspend Fable 5 and Mythos 5 for ALL users after a narrow jailbreak finding. Here is what happened, why it hit everyone, and what changed for developers overnight.
Blog
Claude Mythos vs Fable 5: What Is the Difference?Mythos 5 and Fable 5 are the same underlying model. The difference is who can use it and what safeguards sit on top. Here is the breakdown, and why both got suspended together.

Get Smarter About AI Dev
New tutorials, open-source projects, and deep dives on coding agents - delivered weekly.
One email per weekReal code, not theoryFree forever