B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
0.7%
0.7% -- pdf citation rate for ChatGPT (2026)
ChatGPT cited PDF documents in 0.7% of tracked answers (35 out of 5,119).
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
0.7%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
5,119
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
amicited.com
Primary
Tier A
https://www.amicited.com/da/data-reports/how-often-do-ai-models-cite-pdfs-versus-html-pages/ ↗
Source Article
Hvor ofte citerer AI-modeller PDF'er sammenlignet med HTML-sider?
Original Research
amicited.com
· Original study ↗
Methodology
35 of 5,119 tracked answers cited PDFs; article also references 1,905 tracked queries
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2026 (current) | 0.7% | |
| 2026 (current) | 0.7% | 0% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT: 0.7% pdf citation rate. Source: amicited.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-pdf-citation-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/chatgpt-pdf-citation-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.7%</strong> -- pdf citation rate for ChatGPT<br><small>Source: amicited.com (2026) · <a href="https://lighthousedata.io/data/chatgpt-pdf-citation-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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