B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
1%
1% -- ai answer brand list consistency rate for ChatGPT and Google AI brand recommendations for identical repeated prompts (2026)
The probability that ChatGPT or Google AI provides the exact same brand list twice for identical prompts is under 1%.
- Probability is under 1%
- Order matches in fewer than 0.1% of cases
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
1%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
2,961
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
SparkToro
Primary
Tier C
https://digitalbohemienne.com/geo-optimierung ↗
Source Article
GEO Optimierung für Coaches: Von ChatGPT zitiert werden [2026]
GEO Optimierung (Generative Engine Optimization) sorgt dafür, dass KI-Systeme wie ChatGPT, Perplexity und Google AI Overviews deine Marke als Quelle zitieren und namentlich empfehlen. Für Coaches und Personal Brands, die von Empfehlungen leben, ist GEO der Unterschied zwischen „unsichtbar" und „erst…
Original Research
SparkToro
· Original study ↗
Methodology
Probability that ChatGPT or Google's AI returns the same brand list twice for the same prompt is 'under 1%'; SparkToro study with 2,961 identical prompts.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT and Google AI brand recommendations for identical repeated prompts: 1% ai answer brand list consistency rate. Source: SparkToro (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/sparktoro-brand-list-consistency
HTML Embed
<blockquote cite="https://lighthousedata.io/data/sparktoro-brand-list-consistency" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1%</strong> -- ai answer brand list consistency rate for ChatGPT and Google AI brand recommendations for identical repeated prompts<br><small>Source: SparkToro (2026) · <a href="https://lighthousedata.io/data/sparktoro-brand-list-consistency" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.