Opinion: Most AI System Decisions Don't Need LLMs — Use Cheap System 1 Models

Arpit Bhayani argues that LLMs are best reserved for reasoning and generation, while routing, classification and scoring tasks in AI systems should be handled by cheaper System 1 models.

2026-10-31 ~ 2026-11-01 · 2 related posts

• System 1 models, not LLMs, should handle routing, gating and scoring in AI systems — arpit_bhayani · 2026-10-31
• Most decisions in AI systems don't need an LLM to think — use System 1 models — petrusenko_max · 2026-11-01