GitBook vs KMS Lighthouse

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

The short answer

GitBook is the stronger AI pick in Knowledge Management: it has a visibility score of 4.6 versus 2.4 for KMS Lighthouse, and ranks ahead in 0% of the answers that name both.

Choose GitBook if…

You want the brand AI engines rank higher (4.6 vs 2.4)
You need SOC 2 or GDPR coverage
Free tier for individuals and small open-source or developer documentation teams
Suited to polished external technical and API documentation

Choose KMS Lighthouse if…

You need SOC 2 Type II coverage
You prefer a larger, established vendor (201–500 employees)
Usability and advanced search
Configurable workflows and feedback management

AI visibility side by side

Latest weekly run · Nov 3

Metric	GitBook	KMS Lighthouse
Visibility score	4.6%	2.4%
Change vs last week	New	New
Rank in Knowledge Management	#18	#27
Share of voice	2.2%	0.9%
Mentions this run	12	5
Positive in AI answers	42%	—

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

Visibility score trend

Weekly runs over the last 60 days

GitBook 0pp · KMS Lighthouse 0pp over 0 weekly runs.

Engine by engine

GitBook leads on 3 of 3 engines

ChatGPT

3.1%

1.9%

AI Mode

3.3%

Perplexity

7.4%

5.4%

GitBookKMS Lighthouse

Head to head in AI answers

1 engine answers name both brands

0GitBook ranked higher

1KMS Lighthouse ranked higher

Prompt	Engine	GitBook	KMS Lighthouse
Official website of the top knowledge management tool vendors	ChatGPT	#23	#13

Features, pricing & fit

Dimension	GitBook	KMS Lighthouse
Pricing model	Per seat	—
Entry price	Free; paid from $65 per seat / mo	—
Free plan	Yes	—
Deployment	—	SaaS
Compliance	SOC 2, ISO 27001, GDPR	SOC 2 Type II, ISO 27001
Support	White-glove migration, 1:1 support and training, Custom integrations	—
Headquarters	Covina, California, US	Petach Tikva, Israel
Employees	11–50	201–500
Funding	Secondary transaction	Incubator/Accelerator (weXelerate)
Best for	Technical, product and support teams that publish docs for users and AI agents and need them kept accurate.	Banks, insurers, health plans and public services, where every answer has to be right.

Plans side by side

GitBook

Free$0per site/month

Essential$65per site/month plus $12 per user/month, billed annually

Ultimate$249per site/month plus $12 per user/month, billed annually

EnterpriseCustomCustom

GitBook pricing

KMS Lighthouse

Pricing not available.

Pros and cons

Themes from the AI answers that mention each brand

GitBook

Free tier for individuals and small open-source or developer documentation teams
Suited to polished external technical and API documentation
Good for deflecting support tickets and organising product documentation
Pairs well with Notion or Slite for internal knowledge in developer-led startups
Named among the strongest shortlisted documentation tools