Fable 5.2

Reading Time: 5 minutesAnthropic released Fable 5.2 and Mythos 5.2, with Fable 5.2 now ranked first on Artificial Analysis and priced 20% lower than its predecessor at $8/$40 per million tokens. Simon Willison’s analysis reveals a regression: the max reasoning level exhausts its token budget and returns no output, making xhigh the practical ceiling for now.