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2026/7/5 -Can't select Fable 5 for Claude Code. It is shown on Claude Chat and Cowork but not on Code. Anyone else experiencing this?
This guide shows you three ways to change which Claude model you're using with Claude Code: the quick /model command for instant changes, the --model flag ...
just type in /model claude-fable-5.
YouTubeJoe Murphy
2026/9/1 -Fable 5.1 requires Claude Code v2.1.255 or later. If a request for it from an older version fails, see Claude Code does not support this model.
2026/6/11 -Fable 5 supports five effort levels in Claude Code: low , medium , high , xhigh , and max . The default is high . You change it with /effort .
To stop using the advisor, see Turn the advisor off. On some plans, Fable as the advisor also needs your one-time consent to bill Fable usage to usage credits.
Comments ; How to Use REA GitHub to Reverse Engineer Anything in Claude Code. Outskill · 271K views ; Anthropic Just DESTROYED the Reason You Pay ...
YouTubeKamrul Hassan
2026/6/9 -Install and authenticate Claude Code (v2.1.170 or later), then set the model to Fable 5 with the in-session command /model fable or /model ...
2026/6/16 -Model performance is good for Opus 4.8 and Fable, the models are really paranoid and test everything · Starts up fast - maybe the fastest startup ...
2026/9/1 -Claude Code v2.1.257 makes Claude Fable 5.1 the default Fable model, adds timeFormat and timeZone settings, and adds a Containment Escape rule ...