Model Routers Can't Judge Task Complexity from Prompts Alone

Theo argued that model routers, being pure classifiers, cannot assess task complexity from prompts alone. He proposed a better design: start large async tasks on cheap models that escalate as needed, with a stronger model acting as a verifier.

2026-09-26 ~ 2026-09-26 · 2 related posts

• Theo: model routers can't gauge task complexity from prompts alone; escalation-based routing proposed — nbaschez · 2026-09-26
• The ideal model router: cheap model escalates, strong model as checker — nbaschez · 2026-09-26