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Outcome School · Other AI topics18 min read

by Amit Shekhar · 21 May 2026

LLM as a Judge

LLM as a Judge. We will also see how it works, why we need it, and how we can use it to evaluate the output of other LLMs.

3,538 words#llm#ai#machine-learning4 recall cards

LLM as a Judge
Read on Outcome School ↗then come back to lock it in
Before you read, guess

Which evaluation method relies on fixed rules rather than learned models?

Ten seconds, a guess, then read — a wrong guess still makes the answer stick.

What this article covers

  1. What is LLM as a Judge?
  2. Why do we need LLM as a Judge?
  3. How does LLM as a Judge work?
  4. Types of LLM as a Judge
  5. Steps to build an LLM Judge
  6. A prompt template for LLM as a Judge
  7. Chain-of-thought judging (G-Eval)
  8. Biases in LLM as a Judge
  9. Best practices for LLM as a Judge
  10. Real-world use cases of LLM as a Judge

The article lives on outcomeschool.com. Read it there, then come back: the tutor in the margin has read it and will answer questions, and the questions below check what stayed.

Before you go

In one sentence, what was this chapter about?

From memory, without scrolling up. Writing it is what makes it yours; the grade is only to show you what you had.

How sure?