LMArena (@arena) said Anthropic’s Claude Fable 5.1 is now live for Arena voting, with scores coming soon. Agent Arena measures long-horizon real-world agent tasks where models can use web search, filesystem, and terminal tools; Fable 5.1 is also in Code Arena WebDev, Text, Vision, and Document.
Key Takeaways
- ✓Fable 5.1 is live for public Arena voting; official scores pending.
- ✓Agent Arena targets long-horizon workflows with search, filesystem, and terminal tools.
- ✓Also listed across Code Arena WebDev, Text, Vision, and Document.