Claude Fable 5 API — pricing & specs
Claude Fable 5 is Anthropic's text model tuned for long-form creative writing, storytelling, and narrative generation. It focuses on sustained prose, character, and stylistic craft rather than general reasoning or coding, making it suited to fiction, scripts, and other imaginative long-form work. On KeepRouter, Claude Fable 5 costs $10 per 1M input tokens and $50 per 1M output tokens, billed at cost with no markup and no monthly fee. Call it through the OpenAI- or Anthropic-compatible API with the model id claude-fable-5.
| Maker | Anthropic |
|---|---|
| Modality | Text |
| Pricing | $10 per 1M input tokens and $50 per 1M output tokens |
Frequently asked questions
How much does Claude Fable 5 cost on KeepRouter?
Claude Fable 5 is $10 per 1M input tokens and $50 per 1M output tokens, billed at cost with no markup and no monthly fee.
Who makes Claude Fable 5?
Claude Fable 5 is made by Anthropic. KeepRouter provides it through one OpenAI- and Anthropic-compatible API.
How do I call Claude Fable 5 via API?
Point your OpenAI- or Anthropic-compatible client at KeepRouter and set the model to "claude-fable-5". No provider-specific SDK needed.