System One Models

Definition

System One models (TypeSafe terminology) perform fast structured decisions — parallel to Kahneman System 1 intuition — vs System Two reasoning LLMs. Optimized for classification, routing, and safety gates.

Related

• jev
• typesafe-ai
• rlcd
• calibrated-decisions
• llm-reliability

Sources

• 2026-09-19-typesafe-jev-official-blog