Claude Fable 5.1 API

What is Claude Fable 5.1?

Claude Fable 5.1 is a Anthropic model on this gateway. Use claude-fable-5-1 as the model id in your request.

Which model id should I send for Claude Fable 5.1?

Send claude-fable-5-1 as the model id. That is the request id for Claude Fable 5.1.

Do I need the vendor's own key to call Claude Fable 5.1?

No. Call Claude Fable 5.1 with one API key on this gateway. You do not need a separate Anthropic key.

How is Claude Fable 5.1 billed?

Claude Fable 5.1 is billed by token usage on this gateway.

How does Claude Fable 5.1 compare to Claude Opus 4.8?

Claude Opus 4.8 is another Anthropic model on this gateway. Open its page to compare request ids and billing.