MakeuseOf: “On June 9, 2026, Anthropic released Fable 5 to much fanfare. It was the first publicly available version of its Mythos-class model, the most capable AI model the company had ever shipped to the general public, and within hours, it was sitting at the top of just about every major benchmark. It beat both ChatGPT and Gemini, was labeled state of the art, and before developers could even finish wiring it into their workflows, it was gone. Claude’s Fable 5 was pulled by an export control directive, citing national security concerns over its capabilities, particularly in cybersecurity. I gave Claude’s new model real work, and it earned the hype fair and square. So what happened?…”