Data study · October 2026
Five tools took 41% of every mention in AI answers
- Out of
- 266 answers from Perplexity and ChatGPT, 12 October 2026
- Next edition
- About 10 November 2026
- Licence
- CC BY 4.0
The Citation Index · Research
Our studies
What we measure every month, with each study's chart and data.
Data study · October 2026
81% of AI answers about AI visibility cited a product’s own site.
- Out of
- 140 answers from Perplexity and ChatGPT that listed sources, 15–23 October 2026
- Next edition
- About 21 November 2026
- Licence
- CC BY 4.0
No research matches “”.
Try a tool's name, an engine such as ChatGPT, or a topic like pricing.