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The Evolution of AI Agent Loops — From RLHF to Ralph Loop

The Evolution of AI Agent Loops — From RLHF to Ralph Loop

RLHF, ReAct, Reflexion, LangGraph/AutoGen, Context Rot, Ralph Loop. Six generations of agent loop architecture — what each solved, what each broke, and why a Bash while-loop turned out to be the answer.

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Mar 31, 2026Lab

The Evolution of AI Agent Loops — From RLHF to Ralph Loop

RLHF, ReAct, Reflexion, LangGraph/AutoGen, Context Rot, Ralph Loop. Six generations of agent loop architecture — what each solved, what each broke, and why a Bash while-loop turned out to be the answer.