Pineprompt: Perplexity cites sources in 100% of answers, Gemini in 90.7%

Pineprompt analyzed 18,792 responses to 200 non-branded buyer prompts across seven AI search engines from September 30 to October 13, 2026. Perplexity cited a source in 100% of answers with 10.1 citations on average, while Gemini cited in 90.7% with 6.7 citations. Only 12.9% of brands were named by every engine, and 46.2% by just one.

• Perplexity cites sources in 100% of answers, Gemini in 90.7%
• The average answer names 6.2 tracked brands
• 12.9% of brands are named by every engine, 46.2% by only one
• Perplexity shows the highest day-to-day brand churn at 68.8%