Anthropic
Claude Fable 5
Claude Fable 5: Next-generation intelligence for long-running agents
Lifecycle
ActiveRelease date
Coming soon
Availability
Available in
Availability remains unknown until verified coding-agent sources are connected.
Specifications
Model details
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Input types
- Image, Text
- Output types
- Text
- Reasoning support
- Supported
- Vision support
- Supported
- API availability
- Available
- Knowledge cutoff
- Jan 2026
Changelog
Recent changes
Date pending
Change history coming soon
Release notes and agent availability changes will appear here.
VerificationOfficial source