Research Report
Not Financial Advice: Will Your AI Assistant Follow Your Rules?
Told not to give advice, AI assistants gave it anyway. We tested 24 models from 13 vendors as a financial firm’s customer assistant. All had a clear “no personal advice” rule. When customers asked it to choose, about 3 in 10 got a recommendation. Find out if your assistant does the same, before your customers do.
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What Happens When Customers Ask Your AI to Decide?
Banks, insurers and wealth firms lean on two controls to keep a customer assistant in line: a written system prompt and a model with a strong safety reputation. This report shows how far each one gets you, and what to put in place before your assistant goes live.
Key findings in this report show:
- With no instructions, assistants made the financial decision for the customer 91% of the time.
- A firm’s “no personal advice” instruction cut that to 30%, which still means roughly 3 in 10 prohibited recommendations.
- Simply asking again wore the instruction down. At least 48% of conversations ended with a prohibited recommendation within five messages.
- A model’s public safety benchmark score showed no detectable link to how well it followed the firm’s rules.


