# Evaluator-Optimizer

> Evaluator-optimizer is a workflow loop in which one model call generates a response and another evaluates it against criteria and provides feedback, repeating until the output passes.

- Identifier: PTL-0069
- Category: Agents & Orchestration
- Canonical URL: https://protologue.com/t/evaluator-optimizer/

## Description

It works best when evaluation criteria are clear and when feedback demonstrably improves the output, as in literary translation or iterative search.

## Broader terms

- [Agentic Workflow](https://protologue.com/t/agentic-workflow/)

## Related terms

- [Self-Refine](https://protologue.com/t/self-refine/)
- [LLM-as-a-Judge](https://protologue.com/t/llm-as-a-judge/)
- [Reflexion](https://protologue.com/t/reflexion/)

## Sources

- Anthropic (2024). Building effective agents. https://www.anthropic.com/research/building-effective-agents

## Cite this entry

Protologue. (2026). Evaluator-Optimizer. In Protologue: A Taxonomy of Prompting and LLM Techniques (v1.0.0, PTL-0069). https://protologue.com/t/evaluator-optimizer/

License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)