B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
148 days
148 days -- median cited content age for Perplexity (2026)
The median cited content age in Perplexity search responses is 148 days.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
148 days
Unit
Duration Days
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
arXiv
Primary
Tier B
https://betteraisearch.com/tactics/perplexity-citations-ai-search ↗
Source Article
Perplexity SEO for AI Search Citations
Original Research
arXiv
· Original study ↗
Methodology
arXiv study comparing AI search vs Google cited content age
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Perplexity: 148 days median cited content age. Source: arXiv (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-cited-content-median-age-148-days
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<blockquote cite="https://lighthousedata.io/data/ai-cited-content-median-age-148-days" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>148 days</strong> -- median cited content age for Perplexity<br><small>Source: arXiv (2026) · <a href="https://lighthousedata.io/data/ai-cited-content-median-age-148-days" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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