B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
50%
50% -- ai engine ranking disagreement rate for AI search engines (ChatGPT, Perplexity, Gemini, etc.) (2026)
AI engines disagree on who ranks first in 50% of search queries.
- Based on FogTrail's internal/proprietary research
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
50%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
FogTrail
Primary
Tier C
https://fogtrail.ai/blog/fogtrail-vs-athenahq ↗
Source Article
FogTrail vs AthenaHQ: Optimization Execution vs Research Intelligence
FogTrail vs AthenaHQ: Optimization Execution vs Research Intelligence
As of March 2026, FogTrail ($499/mo) is a closed-loop AEO execution platform: 5 engines, 100 queries, 100 articles per month, post-publication verification, 48-hour intelligence briefings, and human-in-the-loop review at every sta…
Original Research
FogTrail
· Original study ↗
Methodology
FogTrail proprietary research on nondeterminism of AI engine rankings across queries
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI search engines (ChatGPT, Perplexity, Gemini, etc.): 50% ai engine ranking disagreement rate. Source: FogTrail (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-engines-disagree-first-rank-50pct
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<blockquote cite="https://lighthousedata.io/data/ai-engines-disagree-first-rank-50pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- ai engine ranking disagreement rate for AI search engines (ChatGPT, Perplexity, Gemini, etc.)<br><small>Source: FogTrail (2026) · <a href="https://lighthousedata.io/data/ai-engines-disagree-first-rank-50pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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