B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
45%
45% -- engagement difference human vs ai for LinkedIn posts (2026)
Likely AI-generated LinkedIn posts received 45% less engagement than likely human-written posts based on an analysis of nearly 9,000 long-form posts.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
45%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
8,795
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
Originality.ai
Primary
Tier A
https://www.lexiconn.in/knowledge/blogs/ai-slop-epidemic-linkedin-human-writing.html ↗
Source Article
LinkedIn AI Slop: How Founders Can Sound Human Again | LexiConn
Merriam-Webster’s 2025 Word of the Year was “slop”: low-quality digital content mass-produced by artificial intelligence. No professional platform has been hit harder than LinkedIn. Originality.ai’s analysis of 8,795 long-form LinkedIn posts found that 54% of posts over 100 words were likely AI-gene…
Original Research
Originality.ai
· Original study ↗
Methodology
Originality.ai's analysis of nearly 9,000 long-form LinkedIn posts
Methodology documented
Segmentation
Industrymarketing
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Plain Text
LinkedIn posts: 45% engagement difference human vs ai. Source: Originality.ai (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/linkedin-engagement-drop-2026
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<blockquote cite="https://lighthousedata.io/data/linkedin-engagement-drop-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>45%</strong> -- engagement difference human vs ai for LinkedIn posts<br><small>Source: Originality.ai (2026) · <a href="https://lighthousedata.io/data/linkedin-engagement-drop-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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