Model vs Model
Perplexity cites youtube.com in 2.8% of its citations — Claude just 0.1%.
An analysis of July 2026 data reveals starkly different reading habits between Claude and Perplexity, from video platforms to encyclopaedias.
By the BrandInsightAI Data Desk · 26 August 2026
Behind these figures: 96,018 citations · 8,693 model responses · 2 AI models · measured, never estimated
34,876
Claude total citations in July 2026
61,142
Perplexity total citations in July 2026
2.8%
youtube.com share of Perplexity citations
Key takeaways
Perplexity cited youtube.com in 2.8% of its citations across 61,142 total citations in July 2026.
Claude cited wikipedia.org as its top domain with a 0.6% share across 34,876 total citations in July 2026.
Perplexity dedicated 9.6% of its category mix to social platforms across 5,568 responses in July 2026.
Perplexity shows a strong preference for social and video platforms in its source selection. youtube.com leads its top domains with a share of 2.8% out of 61,142 total citations in July 2026. Other social platforms follow closely, with facebook.com taking 1.9% and instagram.com taking 1.8% of total citations.
Perplexity — top sources
youtube.com: 2.8%
youtube.com
2.8%
facebook.com: 1.9%
facebook.com
1.9%
instagram.com: 1.8%
instagram.com
1.8%
reddit.com: 1.5%
reddit.com
1.5%
linkedin.com: 1%
linkedin.com
1%
tiktok.com: 0.4%
tiktok.com
0.4%
rankingdecoches.com: 0.3%
rankingdecoches.com
0.3%
trustpilot.com: 0.3%
trustpilot.com
0.3%
wikipedia.org: 0.3%
wikipedia.org
0.3%
carwow.co.uk: 0.3%
carwow.co.uk
0.3%
Share of Perplexity's 61,142 citations.
Data table Series share youtube.com 2.8% facebook.com 1.9% instagram.com 1.8% reddit.com 1.5% linkedin.com 1% tiktok.com 0.4% rankingdecoches.com 0.3% trustpilot.com 0.3% wikipedia.org 0.3% carwow.co.uk 0.3%
Claude demonstrates a distinct reading habit focused on reference and informational repositories. wikipedia.org is Claude's most-cited source, capturing 0.6% of its 34,876 citations in July 2026. Academic and research domains also feature, with arxiv.org securing 84 citations.
Claude — top sources
wikipedia.org: 0.6%
wikipedia.org
0.6%
yahoo.com: 0.3%
yahoo.com
0.3%
nih.gov: 0.3%
nih.gov
0.3%
aol.com: 0.3%
aol.com
0.3%
forbes.com: 0.2%
forbes.com
0.2%
arxiv.org: 0.2%
arxiv.org
0.2%
statista.com: 0.2%
statista.com
0.2%
usnews.com: 0.2%
usnews.com
0.2%
mordorintelligence.com: 0.2%
mordorintelligence.com
0.2%
ensun.io: 0.2%
ensun.io
0.2%
Share of Claude's 34,876 citations.
Data table Series share wikipedia.org 0.6% yahoo.com 0.3% nih.gov 0.3% aol.com 0.3% forbes.com 0.2% arxiv.org 0.2% statista.com 0.2% usnews.com 0.2% mordorintelligence.com 0.2% ensun.io 0.2%
Context
Reference Focus
wikipedia.org is Claude's leading domain while holding a smaller 0.3% share for Perplexity.
Comparing the two models reveals limited overlap in their primary citation choices. wikipedia.org stands as the single common ground domain explicitly shared between the top datasets. The gap between youtube.com sits at -2.7 percentage points, reflecting divergent underlying citation architectures.
Figure 3 Share gap: Claude minus Perplexity
Share gap: Claude minus Perplexity
youtube.com: -2.7pp
youtube.com
-2.7pp
instagram.com: -1.8pp
instagram.com
-1.8pp
facebook.com: -1.7pp
facebook.com
-1.7pp
reddit.com: -1.5pp
reddit.com
-1.5pp
linkedin.com: -0.8pp
linkedin.com
-0.8pp
wikipedia.org: +0.3pp
wikipedia.org
+0.3pp
aol.com: +0.3pp
aol.com
+0.3pp
moneysupermarket.com: -0.3pp
moneysupermarket.com
-0.3pp
Positive bars: Claude leans on the source more; negative: Perplexity does.
Data table Series gap youtube.com -2.7pp instagram.com -1.8pp facebook.com -1.7pp reddit.com -1.5pp linkedin.com -0.8pp wikipedia.org +0.3pp aol.com +0.3pp moneysupermarket.com -0.3pp
Share of each model’s citations going to each source category.
Data table Series social platforms news publishers comparison & review sites academic & research marketplaces B2B research everything else Claude 1% 1.3% 1% 0.8% 1% 0.9% 94% Perplexity 9.6% 1.8% 1.7% 0.4% 1.2% 0.5% 84.9%
Method & limitations
Data represents observed citations from July 2026 and does not imply direct partnership or causation with cited domains.
Category mix percentages are rounded summaries of overall model behaviour.
How every figure on this page is counted, floored and
reviewed: our methodology .
Next What Gets Cited by AI — July 2026 Benchmarks
All insights
The GEO Index
Methodology
AI Source Bias Index