Intro to AI Engineering. Live learners, anonymised answers from everyone who took this before, and partners Mira plays from those same patterns. You can see which is which.
38 answers · stacked live, archive, and Mira
A chatbot needs to know your returns handbook. What's the move?
“We'll fine-tune it on the handbook. That's how you teach a model things, isn't it?”
a team lead buying a chatbot · 21 found this useful
“Don't train it. Look the page up at the moment of asking and put it in front of the model. Training takes hours and is already wrong if the policy moved this morning. Lookup takes milliseconds.”
an engineer who has never trained a model · 54 found this useful
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Mira seats you with someone holding a named wrong idea — a live peer, an echo replayed from the archive, or a partner she plays herself.
Talk Sam out of training the handbook in
Sam thinks “we need to train the model on our data”
Replay: it is just searching for matching words
an analyst at a retailer thinks “it searches for matching words”
Comments, votes, and the wording that actually landed — anonymised, and still in the room.
“We'll fine-tune it on the handbook. That's how you teach a model things, isn't it?”
“Our refund policy changed this morning. Do we retrain, or is there a cheaper way?”
“Don't train it. Look the page up at the moment of asking and put it in front of the model. Training takes hours and is already wrong if the policy moved this morning. Lookup takes milliseconds.”
“That's why I stopped asking engineering to 'retrain on the new page'. I just make sure the page exists. The lookup does the rest.”
“So it searches for the same words? 'Can I send this back' won't find a page that says 'returns within 30 days'.”
“It matches on what the text is about, not the wording. Those two sit near each other on the map even though they share no words. That's the whole trick.”
“Smaller pieces are always better, right? More precise.”
“Cut to a single sentence and 'this does not apply to sale items' arrives with nothing to say what 'this' was. Each piece has to stand on its own.”
“Grab more pieces to be safe. More context is more to go on.”
“Extra pieces are not neutral. Grab ten and the careers page turns up. Now a refund answer mentions job openings.”
“Sort, then stop. That's the same move as keeping the top five channels — score everything, line it up, take the ones at the top.”
“I'd reject a grab of ten pieces. Careers will sneak in. If the cut is a sentence, 'this' arrives with no subject. Those two notes are the whole review.”
“Don't train it. Look the page up. Match on what it's about, not the wording. That's the sentence I keep using in stand-up.”