LLMs are System 2: Austin LangChain's framing for pairing fast judgment with slow reasoning
colinmcnamara · x · 2026-10-13
Joseph Fluckiger offered a useful mental model at Austin LangChain: LLMs are System 2—slow and step-by-step—while his project Jev is built as System 1, the quick judgment. Colin McNamara suggests auditing your stack to decide which calls actually need the slow kind, a practical lens for latency and cost trade-offs in agent architectures.
Related event: Developer Proposes Layered Agent Architecture Treating LLMs as System 2(2 posts)→
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