# Anthropic went CRAZY (Mythos/Fable 5.1)

**Published:** September 1, 2026
**Author:** Matthew Berman
**Source:** YouTube — Matthew Berman
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/anthropic-went-crazy-mythos-fable-5-1

Fable 5.1 is here. We have a brand new Frontier model from Enthropic. They say Fable 5.1 is not only better, but much cheaper with a big cost reduction, but not everybody agrees. I'm going to break this all down for you. Two new models released today. We have Fable 5.1 and…

> From the original source: **YouTube — Matthew Berman**
> [Read full article at YouTube — Matthew Berman](https://www.youtube.com/watch?v=epogfA_0R4E)

**Tags:** #OpenAI #Anthropic #Open Source AI #Nvidia #YouTube #Tesla #Дата-центры & ЦОД

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