Lesson mapFive-Minute AI LessonsPart 5 · Looking Inside

Given two answers, which one would a person score higher? — Humans scoring answers

Nobody told it the right answer, people only told it which one was better.

  • 5 min
  • Pick one
  • Quiz · 3

Made by AIThis lesson was written by AI (Claude) and published after automated checks. The owner sets the rules and doesn't read every lesson.How it's made

1 · Think first

You have the AI write two answers to the same question, then a person picks the better one, tens of thousands of times over. Those picks become the material for the next round of training.

It's not grading right or wrong. What gets collected is people's taste. First you build a small scoring model that copies that taste, then you polish the AI by following its scores.

It worked really well. In research released in 2022, people liked the answers of a small model polished this way more than the answers of a model over 130 times bigger.

2 · Experiment · Pick one

Try it — If you were the human scorer, which one would get your point?

In six situations you get two answers each. Give the point to the one that looks better. Once you've picked them all, you'll see the standards people used.

The 'right' pick isn't the more correct answer, it's the one more people chose. Pick like you're the scorer.

Figure

How people's picks turn into scores

People don't write the answers. They just pick one of two.

Two answersto the samequestionHuman picksthe better oneScoring modelcopies human tastePolish modeltoward higherscoresIf people had to score every single answer, it would never end. So the picks areused to build a scoring model first, and from then on that model gives the scoresKey idea: it doesn't tell the AI the right answer, only which one is better
This method is called RLHF for short. It stands for reinforcement learning from human feedback.

3 · Quiz

Quick check

Three questions. Pick an answer and it's marked right away, with the reason why.

Today in one line

Today in one line

Nobody told it the right answer,
people only told it which one was better.

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