Claude Fable 5

Claude Fable 5 is optimized for autonomous knowledge work and coding, handling long-running, complex, and asynchronous tasks.

Advanced AI Safety Notice: Claude Fable 5 is within the scope of the Advanced AI Safety Addendum. All prompts and responses are stored for up to 60 days for the sole purpose of monitoring for potential abuse of relevant terms of service. See Responsible AI and Abuse Monitoring to learn more.

Retirement Date: Not sooner than June 8, 2027.

Try in Agent Platform View model card in Model Garden

Model ID	claude-fable-5
Launch stage	GA
Supported inputs & outputs	Inputs: Text, Image, PDF Outputs: Text
Token limits	Maximum input tokens: 1,000,000 Maximum output tokens: 128,000
Capabilities	Supported Computer use Web search Batch predictions Prompt caching Function calling Count tokens Memory tool Not supported
Usage types	Supported Shared Model Lineage Quota Provisioned Throughput Not supported
Technical specifications
	Images	Limitation and specifications: See Vision in Anthropic's documentation
	Documents	Limitation and specifications: See PDF support in Anthropic's documentation
Versions	claude-fable-5 Launch stage: Generally available Release date: June 9, 2026
Supported regions
	Model availability (Includes fixed quota & Provisioned Throughput)	United States Multi-region Europe Multi-region Asia Pacific asia-southeast1 Global global endpoint
	ML processing	United States Multi-region Europe Multi-region Asia Pacific asia-southeast1
Quota limits	Multi-region: QPM: 1,000 Input TPM: 10,000,000 uncached and cache write Output TPM: 1,000,000 Context length: 1,000,000 Multi-region: QPM: 1,000 Input TPM: 10,000,000 uncached and cache write Output TPM: 1,000,000 Context length: 1,000,000 asia-southeast1: QPM: 1,000 Input TPM: 10,000,000 uncached and cache write Output TPM: 1,000,000 Context length: 1,000,000 global endpoint: QPM: 2,000 Input TPM: 20,000,000 uncached and cache write Output TPM: 2,000,000 Context length: 1,000,000
Pricing	See Pricing.

Enable Claude Fable 5 in your project

Follow these steps to enable Claude Fable 5 in your project:

• Consent to the Advanced AI Safety Addendum in Model Garden (required once per project). See Abuse Monitoring to learn more.
• For online terms customers, click 'enable' on the Model Garden model card to:
  • Answer relevant company and use case questions in Model Garden.
  • Accept Anthropic and Marketplace terms of service in Cloud Marketplace.
• For Private Offer customers:
  • Accept the Private Offer in Cloud Marketplace (required once per Billing Account).
  • Enable the model location using the enableModel API
• As required by Section F of Anthropic's Service Specific Terms, enable prompt-response sharing with Anthropic for each model location. See Request-Response Logging and Sharing to learn more.