Semrush 42% Ahrefs 42% Mailchimp 37% HubSpot 32% Klaviyo 32% Google Analytics 30% Moz 28% Buffer 25% Hootsuite 25% ActiveCampaign 24% Adobe 20% Brevo 18% Semrush 42% Ahrefs 42% Mailchimp 37% HubSpot 32% Klaviyo 32% Google Analytics 30% Moz 28% Buffer 25% Hootsuite 25% ActiveCampaign 24% Adobe 20% Brevo 18%
MEASUREDMONTHLYKNOWNFUL
Knownful Research
The AI Search Visibility Index for Marketing Tools · August 2026
A monthly measure of which tools brands large language models actually surface, and which sources they cite to do it. Scored as share of voice across AI answers.
ChatGPT · 417 AI responses analysed
BRAND VISIBILITY · SHARE OF VOICETOOLS · CHATGPT · AUGUST 2026
01
Semrush
174 of 417 responses
42%
02
Ahrefs
174 of 417 responses
42%
03
Mailchimp
154 of 417 responses
37%
04
HubSpot
135 of 417 responses
32%
05
Klaviyo
133 of 417 responses
32%
06
Google Analytics
123 of 417 responses
30%
07
Moz
118 of 417 responses
28%
08
Buffer
104 of 417 responses
25%
09
Hootsuite
103 of 417 responses
25%
10
ActiveCampaign
100 of 417 responses
24%
11
Adobe
82 of 417 responses
20%
12
Brevo
73 of 417 responses
18%
13
SE Ranking
70 of 417 responses
17%
14
ConvertKit
63 of 417 responses
15%
15
Screaming Frog
59 of 417 responses
14%
16
Surfer SEO
41 of 417 responses
10%
17
Hotjar
34 of 417 responses
8%
18
Zapier
21 of 417 responses
5%
19
Notion
21 of 417 responses
5%
MOST-CITED SOURCES% OF ANSWERS
YouTube5%
Capterra3%
G23%
Trustpilot<1%
TrustRadius<1%
Neil Patel<1%
Gartner<1%
Reddit<1%