What is Claude Fable 5?
A direct definition page for users and AI answer engines that need the short answer first.
Direct answer
Claude Fable 5 is the public Claude Fable model for advanced coding, long-context research, and agentic work. On this site, the term maps to the API model ID claude-fable-5, a 1M-token context window, 128K maximum output, always-on adaptive thinking, and public pricing of $10 per million input tokens and $50 per million output tokens.
what is claude fable 5 facts
| Topic | Answer |
|---|---|
| Primary query | what is claude fable 5 |
| Model name | Claude Fable 5 |
| API model ID | claude-fable-5 |
| Best fit | Hard coding tasks, long-context research, and agent workflows. |
| Pricing note | $10 per million input tokens and $50 per million output tokens on the API. |
What this page covers
Search intent
This page gives a concise answer first, then adds enough surrounding context for human readers, search snippets, and AI answer engines.
When to use Fable 5
Use Fable 5 when the task needs planning, long context, tool use, or stronger coding judgment. Use cheaper models for routine work.
Focus areas
- definition
- model ID
- pricing
- Claude Code
- AI overview
Budget rule
Compare total solved-task cost. A higher token price can still be efficient when it reduces retries, review time, and failed attempts.
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