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What is agent reflection / self-correction, and does it actually improve agent performance?

Reflection is the pattern in which an agent critiques and revises its own work. The signal is knowing when it truly helps (external feedback grounds the critique) versus when self-critique on its own is theater.

Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.

Reflection is the pattern in which an agent critiques and revises its own work. The signal is knowing when it truly helps (external feedback grounds the critique) versus when self-critique on its own is theater.

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