After GPT 5.5 release, OpenAI folks were taking victory laps that they didn't have to nerf a "Mythos class model" and in fact can serve it at scale Well, dust has settled, it's clearly not Mythos class, and Fable is now faster than 5.5. This is embarrassing, but not for Ant
Users praise Anthropic's Fable over OpenAI's GPT-5.5 for superior intelligence, reduced mode collapse, and token efficiency that enables faster and cheaper use.
Sorry, this thing is smarter than 5.5, and less mode collapsed Come on, show what you've got after 1 more month of work
After GPT 5.5 release, OpenAI folks were taking victory laps that they didn't have to nerf a "Mythos class model" and in fact can serve it at scale Well, dust has settled, it's clearly not Mythos class, and Fable is now faster than 5.5. This is embarrassing, but not for Ant
@teortaxesTex The beautiful thing is given that how token efficient fable is it's relatively fast and cheap if you tune the reasoning to get comparable performance
After GPT 5.5 release, OpenAI folks were taking victory laps that they didn't have to nerf a "Mythos class model" and in fact can serve it at scale Well, dust has settled, it's clearly not Mythos class, and Fable is now faster than 5.5. This is embarrassing, but not for Ant