Using Fable 5 in Claude Code
For developers searching "claude code fable 5": here is how to select Fable 5 (claude-fable-5) in Claude Code and use it for completion, refactoring, and reviews.
Claude Code is a tool for using Claude on coding tasks from your terminal or editor. Point the model to Fable 5 (claude-fable-5) and you get the latest-generation Claude for completion, refactoring, review, and debugging.
Setup is simple — switch the model ID to claude-fable-5. Try a coding question with Fable 5 in the box below before you install anything.
Ask Fable 5 about code
Paste code or a question and run it — try Fable 5 here before setting up Claude Code.
The result will appear here.
Selecting Fable 5 in Claude Code
In Claude Code, choose the model (via the /model command or settings) and set it to claude-fable-5. Subsequent chats and edits run on Fable 5.
Switch between Fable 5 and other Claude models like Opus 4.8 depending on the task and your preference.
Where it helps
Completion: scaffold functions and tests quickly.
Refactoring: restructure code while preserving intent.
Review & debugging: surface issues in a diff or trace a bug to its cause.
Good for
Implementing functions
Describe the spec and get a working draft plus tests.
Refactoring
Split long functions, improve naming and readability.
Code review
Paste a diff and get potential bugs and improvements.
Fixing errors
Share a stack trace to diagnose the cause and a fix.
Frequently asked questions
- How do I use Fable 5 in Claude Code?
- Set the model to claude-fable-5 in Claude Code; your work then runs on Fable 5.
- Fable 5 or Opus for coding?
- Opus for the deepest reasoning, Fable 5 for a balanced latest-gen option. Switch between them in Claude Code.
- What does it cost?
- This playground is credit-based — see the pricing page for details.
- Can I just try it?
- Yes. Sign in from the box below and ask Fable 5 a coding question right here.