Modelpeers
Claude Fable 5.1 characterClaude Code character

Claude Code and Fable 5.1

2 products from Anthropic

Default change

Claude Code makes Fable 5.1 the default Fable model

Claude Code 2.1.257 added Claude Fable 5.1 as the default Fable model with a 1M context window at $10 / $50 per million tokens.

Who is affected:
Claude Code users on the fable alias.
What to do:
Update Claude Code. Fable 5.1 needs version 2.1.255 or later.

Source

"Added Claude Fable 5.1 (claude-fable-5-1), now the default Fable model"

Claude Code CHANGELOG.md (GitHub)

Published

Open the sourcegithub.com

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