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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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LEARN THE BACKGROUND

These lessons teach the material this question tests, in order and from the beginning.

Agent Engineering·More than one agentSign in14mThe two patterns that account for most of the valueOrchestrator-and-specialist and critic-and-refiner cover nearly every multi-agent system worth building. This lesson is how each works, the design decisions inside them, and why free-form agent conversation is not a third option.

UP NEXT ON YOUR JOURNEY

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