/news
Anthropic: Fable 5.5 LEAKS!
Users say Claude is quietly routing them to Fable 5.5, with fresher knowledge and sharper output. Anthropic hasn't said a word. Here's the evidence, and what's still missing.
Oct 2, 2026World of AI
Users say Claude is quietly routing them to Fable 5.5, with fresher knowledge and sharper output. Anthropic hasn't said a word. Here's the evidence, and what's still missing.
[Source: World of AI](https://intheworldofai.com/p/anthropic-fable-5-5-leaks)