Fable 5.1 Now Live in Command Code: Claude's Most Advanced Coding Model

Command Code Sep 2, 2026

Key Info

Fable 5.1, described as Claude's most advanced coding model, is now live in Command Code. It is available on Max plans and the API, and offers 75% cheaper cache reads.

Highlights

Fable 5.1 is now available in Command Code for Max plan users and API customers.
It is positioned as Claude's most advanced coding model.
Cache reads are 75% cheaper, helping reduce costs for high-volume coding workflows.

Original post

Fable 5.1 is now live in Command Code. Claude's most advanced coding model. 75% cheaper cache reads. Available on Max plans and API.

#Fable 5.1#Command Code#Claude

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