Tettra vs Zendesk

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Zendesk is the stronger AI pick in Knowledge Management: it has a visibility score of 9.4 versus 7.2 for Tettra, and ranks ahead in 50% of the answers that name both.

Choose Tettra if…

You want a lower entry price ($8 vs $19)
Good option for internal company knowledge management
Simple internal wiki with low administration
Among highest-rated for willingness to recommend

Choose Zendesk if…

You want the brand AI engines rank higher (9.4 vs 7.2)
AI answers describe it more positively (34% vs 27% positive)
You need SOC 2 Type II or ISO 27001:2022 or ISO 27018:2019 or ISO 27701:2019 or ISO 27017:2015 or ISO 42001:2023 or FedRAMP LI-SaaS or Cyber Essentials Plus coverage
You prefer a larger, established vendor (5,000+ employees)

AI visibility side by side

Latest weekly run · Nov 3

Metric	Tettra	Zendesk
Visibility score	7.2%	9.4%
Change vs last week	New	New
Rank in Knowledge Management	#15	#11
Share of voice	1.9%	3.7%
Mentions this run	11	20
Positive in AI answers	27%	34%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Tettra 0pp · Zendesk 0pp over 0 weekly runs.

Engine by engine

Zendesk leads on 2 of 3 engines

ChatGPT

10.4%

5.6%

AI Mode

1.7%

8.7%

Perplexity

9.6%

14.1%

TettraZendesk

Head to head in AI answers

4 engine answers name both brands

2Tettra ranked higher

2Zendesk ranked higher

Prompt	Engine	Tettra	Zendesk
Which Knowledge Management vendors do analysts recommend?	ChatGPT	#15	#10
Which knowledge management tool offers a free trial?	ChatGPT	#3	#8
Which knowledge management tool offers a free trial?	Perplexity	#1	#6
Official website of the top knowledge management tool vendors	ChatGPT	#11	#8

Features, pricing & fit

Dimension	Tettra	Zendesk
Pricing model	Per seat	Per seat
Entry price	$8 per seat / mo	$19 per seat / mo
Free plan	No · 30-day trial	No
Deployment	Cloud only; self-hosting not offered	Cloud (SaaS)
Integrations	—	1800+
Compliance	—	SOC 2 Type II, ISO 27001:2022, ISO 27018:2019, ISO 27701:2019, ISO 27017:2015, ISO 42001:2023, FedRAMP LI-SaaS, Cyber Essentials Plus
Support	Help center, Live chat, Priority support on Enterprise plan	Help Center, Community, Partners
Founded	2015	2007
Headquarters	Boston, MA, United States	San Francisco, California, United States
Employees	1–10	5,000+
Funding	Seed	Take-private (Hellman & Friedman, Permira)
Best for	Small and mid-market businesses of 10 to 500 employees that rely heavily on Slack	Support teams from startups to enterprises that need omnichannel ticketing with AI automation