# Should you trust Al to deliver financial advice? > Source: > Published: 2026-09-21 06:31:04+00:00 Research report • September 2026 # Artificial Authority A practical assessment of today’s leading AI models across pensions, tax, debt, savings and examining where their guidance helps, where it fails, and what responsible use requires. ###### Summary Domain team tested 18 of the most popular AI models including ChatGPT, Gemini, Claude and CoPilot asking 121 questions about financial advice. On average, the models made mistakes 57% of the time. This research shows the calibre of advice given from concerning mistakes to consumer protection failure. It explores if a shift from excessive regulation to putting guardrails on LLMs will narrow the advice gap quicker while protecting people from unregulated AI?