Where this was said
Don't Let Fable Spawn Fable: Optimal Reasoning Effort
At 1:00:28 · chapter starts 58:00
Ben opens with a confession: on his first day with Fable back, he let it spawn Fable subagents on xHigh reasoning mode — forgetting to turn it off after prior testing — and burned approximately 30% of a weekly usage allocation with minimal useful output. [1] — Ben "Running Fable subagents from a Fable orchestrator is a fast path to burning 30% of your weekly limit on nothing useful. The right pattern i…" 57:56 Theo introduces a meme to illustrate the lesson: in Claude Code's reasoning effort selector, low/medium/high are labeled 'good options,' xHigh and Max are labeled 'mental illness,' and UltraCode is a 'skill disguised as a reasoning effort' (because Anthropic is using High under the hood). The correct architecture for serious work is Fable orchestrating cheaper models — Sonnet 5, GLM-5.2, or similar — for implementation while Fable handles planning, context synthesis, and review. The reasoning level discussion also touches on the non-obvious fact that spending more tokens and using higher reasoning effort past a certain point actually degrades output quality rather than improving it.
