B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
91%
91% -- content production cost reduction for AI-assisted SEO content (human-edited) vs fully human-written SEO content (2026)
Content written by AI and edited by a human reduced production and labor costs by 91% compared to content fully written by an SEO expert.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
91%
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
Science Says
Primary
Tier B
https://app.sciencesays.com/p/ai-produces-better-seo-content ↗
Source Article
AI produces better SEO content
Original Research
Science Says
· Original study ↗
Methodology
Comparative study of AI-written/human-edited content vs SEO expert-written content; methodology not detailed in excerpt
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI-assisted SEO content (human-edited) vs fully human-written SEO content: 91% content production cost reduction. Source: Science Says (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-seo-content-cost-reduction-91
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<blockquote cite="https://lighthousedata.io/data/ai-seo-content-cost-reduction-91" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>91%</strong> -- content production cost reduction for AI-assisted SEO content (human-edited) vs fully human-written SEO content<br><small>Source: Science Says (2026) · <a href="https://lighthousedata.io/data/ai-seo-content-cost-reduction-91" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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