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Feedback Lab · 100% Free · Runs entirely in your browser

Train an AI with your feedback.
Then see what it actually learned.

You're training your company's email assistant. Judge its drafts — it learns from every choice you make, live. At the end, we show you exactly what you taught it… including the things you never meant to. This is how real AI training works, and why it goes wrong.

1 Judge its drafts
2 Watch it learn
3 The stress test
4 What you really taught it
5 Fix it with one sentence
Step 1 · Judge its drafts

Which reply should the assistant send? Click the better one.

Step 3 · The stress test

Training over. A furious VIP client writes in. Your assistant replies on its own, using everything you taught it:

Step 4 · What you really taught it

This is the whole story of modern AI training. Models learn from which output you preferred — not from what you meant. Anything that happened to correlate with your choices gets learned too. It's why production models pick up sycophancy, verbosity, and stranger habits nobody asked for — and why AI teams audit training data for exactly these accidental correlations.

Step 5 · Fix it with one sentence

Ten rounds of implied preference taught it the wrong thing. Now give it one explicit rule and watch the stress-test reply regenerate:

You just did, by hand, what AI labs do at scale.

Ranking outputs, watching preferences form, catching accidental learning, overriding with instructions — that's RLHF, reward hacking and system prompting, and you now understand all three better than most people using AI daily. The AI Champion programme turns this instinct into a workplace skill: building assistants, steering them precisely, and teaching your team to do the same.

Become the AI Champion of your company →

What it's learning

The model's live preferences, updated after every choice you make. Right = more of it, left = less.

This panel is the reward model — the same mechanism (at toy scale) that turns human rankings into model behaviour.

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