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Which sources AI cites for What are the best tools for keyword research?

Real citation data from live scans across Perplexity, Gemini, Google, ChatGPT. 25 sources · 39 citations · updated 2026-06-15

#SourceCited byCitations
1reddit.com
What are the best SEO keyword research tools? : r/Blogging - Reddit
PerplexityGoogle
4
2marketermilk.com
20 best keyword research tools I'm using in 2026 | Marketer Milk
PerplexityGeminiGoogle
3
3zapier.com
The 4 best free keyword research tools | Zapier
PerplexityGeminiGoogle
3
4ahrefs.com
ahrefs.com
GeminiChatGPT
2
5blog.hubspot.com
The 13 Best Keyword Research Tools to Find the Right Keywords for ...
Perplexity
2
6community.hubspot.com
Best tools for keyword research for SEO newbie - HubSpot Community
PerplexityGoogle
2
7lowfruits.io
lowfruits.io
GeminiGoogle
2
8semrush.com
Free Keyword Tool: Find the Right Keywords for SEO & AI Search
GoogleChatGPT
2
9techradar.com
Best for beginners
PerplexityGemini
2
10wordstream.com
The 22 Best Keyword Research Tools for Every Need [Free & Paid!]
PerplexityGoogle
2
11answersocrates.com
answersocrates.com
Gemini
1
12backlinko.com
Free Keyword Research Tool by Backlinko
Perplexity
1
13bloggingwizard.com
#6 -- Semrush
Perplexity
1
14brightlocal.com
brightlocal.com
Gemini
1
15elegantthemes.com
10 Best Keyword Research Tools in 2025 (Compared)
Perplexity
1
16gizmodo.com
Best Paid & Free Keyword Research Tools of 2026
Perplexity
1
17iskra-evtimova.com
iskra-evtimova.com
Gemini
1
18keywordtool.io
Keyword (Research) Tool ⚠️ Plan Google Keywords【FREE】
Google
1
19mangools.com
KWFinder: Free Keyword Research & Analysis Tool - Mangools
Google
1
20neilpatel.com
Top SEO Keyword Research Tools to Dominate the SERPs Current
Perplexity
1
21seobotai.com
seobotai.com
Gemini
1
22seranking.com
seranking.com
Gemini
1
23shelleyssocialmedia.com
shelleyssocialmedia.com
Gemini
1
24vividcreative.com
vividcreative.com
Gemini
1
25wpbeginner.com
Google Keyword Planner
Perplexity
1

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Honest by design: this is real data from live AI-engine scans (Perplexity, Gemini and Google, plus ChatGPT, Claude and Grok on paid scans). Citation counts reflect how often each source appeared across those scans.