BREAKING
fable-advisor pairs Fable 5 + GPT-5.5
Plan with Fable, execute with GPT-5.5
1
Fable 5 plans
↓
2
Delegate to Codex CLI
↓
3
GPT-5.5 executes
Output price per M tokens
Fable 5
50
GPT-5.5
30
FrontierCode Diamond score
Fable 5
29.3
GPT-5.5
5.7
Strengths versus limits
Upside
●
No extra API billing
●
Plan smart, execute cheap
Limits
●
'Advisor unavailable' errors
●
Fable orchestrator slow, costly
Model routing goes mainstream
AI NEWS BLITZ
A free Claude Code plugin routes work between Fable 5 and GPT-5.5 to cut token costs.