B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
40%
40% -- monthly source churn rate for AI search engines (ChatGPT and Google AI Mode) (2026)
Between 40% and 60% of sources cited in ChatGPT and Google AI Mode change month to month.
- Data cited via Pixis from Semrush
- Reported as a range of 40% to 60%
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Semrush
Primary
Tier B
https://seovendor.co/ai-recommends-your-competitor-how-to-fix-geo-visibility-gaps/ ↗
Source Article
AI Recommends Your Competitor: How to Fix GEO Visibility Gaps
Brands can lose AI recommendations without losing relevance in the market. The issue is often visibility, not quality. AI systems may surface a competitor because that brand is easier to retrieve, cite, and fit into a fast answer.
Table of Contents
U of Digital notes that AI visibility is fragmented…
Original Research
Semrush
· Original study ↗
Methodology
Range reported as 40%-60%; midpoint used. Semrush data cited via Pixis.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI search engines (ChatGPT and Google AI Mode): 40% monthly source churn rate. Source: Semrush (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-search-sources-monthly-churn
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-search-sources-monthly-churn" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- monthly source churn rate for AI search engines (ChatGPT and Google AI Mode)<br><small>Source: Semrush (2026) · <a href="https://lighthousedata.io/data/ai-search-sources-monthly-churn" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.