BREAKING
Claude Fable 5 comes to Devin
Where Fable 5 runs in Devin
1
Cloud Ultra
↓
2
Desktop
↓
3
CLI
0
FrontierCode tasks
0
%
Diamond max effort
0
%
Ultra cost above default
Paused, then resumed
Strengths and cautions
Strengths
●
Hours-long execution
●
Large-scale refactoring
●
Debugging and security reviews
Cautions
●
Old long prompts backfire
●
Unattended failure cases
●
Effort tuning required
A model-agnostic push
AI NEWS BLITZ
Cognition has brought Anthropic's flagship Claude Fable 5 model into its AI engineer Devin.