AI Legal Answers: Gemini Cites No Source 52.5% of the Time vs 1.4% for ChatGPT

Gemini answers 52.5% of legal questions without citing a single source, against 1.4% for ChatGPT. When AI answers do cite, the American Bar Association's americanbar.org leads, appearing in 14.7% of sourced answers, ahead of Wikipedia and the Bureau of Labor Statistics.

All answers by rank

14.7%

12.2%

6.6%

5.1%

4.8%

3.8%

3.7%

3.3%

2.9%

2.7%

2.4%

Source: Suff Digital analysis of 1,600 AI answers to 400 legal questions · ChatGPT and Gemini, September 2026

ChatGPT

Answers with no source

1.4%

Share of sourced answers citing it

20.5%

Source: Suff Digital analysis of 1,600 AI answers to 400 legal questions · ChatGPT and Gemini, September 2026

Share of sourced answers by industry

Legal

14.7%

Health

32.3%

Money

13.8%

Real estate

27.2%

Home improvement

11.8%

Travel

13.2%

Cars

6.7%

Software

24.3%

College

13.1%

Fitness

41.5%

Pets

18.4%

Recipes

37.5%

Source: Suff Digital analysis of 1,600 AI answers to 400 legal questions · ChatGPT and Gemini, September 2026

Source: AI Legal Answers: Gemini Cites No Source 52.5% of the Time vs 1.4% for ChatGPT - Suff Digital