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What are Reflexion and self-critique loops, and when do they actually improve an agent?

Agents can critique and retry their own work. The signal is knowing how Reflexion's verbal feedback loop works, when self-critique genuinely helps versus when it is theater, and what makes it real.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

Agents can critique and retry their own work. The signal is knowing how Reflexion's verbal feedback loop works, when self-critique genuinely helps versus when it is theater, and what makes it real.

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