Short answerYou cannot eliminate wrong answers, but you can reduce them: tell the bot to answer only from your files, to say when it does not know, to stay within its scope, and test with questions it should refuse.
Instruction changes that help
- "Answer only from the provided reference material."
- "If the answer is not there, say you do not know and suggest contacting [person/link]."
- "Do not give legal, medical or financial advice."
- "Never invent prices, dates, links or names."
Content changes that help
- Remove outdated or contradictory files.
- Put facts that must be exact (prices, policies) in a clear, short file.
Test it
Add to your test set questions that your files do not cover, and check the bot declines. For public bots, tell visitors it is automated and may be wrong: protecting a public bot.
Check your GPT before you move it
Paste your instructions, file names and Actions schema into the free checker. It runs in your browser and builds a portable bundle. Nothing is uploaded.
Open the free checker