Knowledge Plane vs GitBook vs Stacks vs Glean

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Knowledge Plane
vs
Competitor 1
GitBook
Competitor 2
Stacks
Competitor 3
Glean
Compare
4 tools · best value per row highlighted
Your tool Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Competitor Glean
glean.com
Glean is an enterprise AI platform that connects to company apps and data to provide search, an AI assistant and agents.
Traffic estimated monthly website traffic
Monthly visits
—
—
6.3Kvisits/mo
—
MoM change
—
—
▼ 8.4%
—
6-month growth
—
—
-50.8%
—
Global rank web
—
—
#3,182,249
—
Avg. last 3 months
—
—
6.1K
—
Bounce rate lower is better
0%
—
41%
—
Pages / visit
—
—
1.7
—
Visit duration
—
—
6s
—
Traffic sources
—
—
—
—
Knowledge PlaneGitBookStacksGlean
03.2K6.4K9.6K12.8KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1K10K100KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Paid
—
Starting price
$19per month · free tier available
$65per month · free tier available
$9per month
—
Free tier
–
–
Free trial
–
–
–
API access
–
Plans
—
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
—
Capabilities input → output
Input
CodeDocumentsText
CodeText
DocumentsTextWeb pages
DataDocumentsText
Output
Text
DocumentsText
Text
Text
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
12
8
6
10
Knowledge bases
Digital information management
Knowledge
–
Code documentation
–
–
Developer tools
–
–
Knowledge sourcing
–
–
AI search
–
–
–
Agents
–
–
–
Bookmarking
–
–
–
Knowledge graphs
–
–
–
Agent creation
–
–
–
Agent management
–
–
–
Agent memory
–
–
–
Business productivity
–
–
–
Chrome extensions
–
–
–
Knowledge maps
–
–
–
API docs
–
–
–
Codebase q a
–
–
–
Customer support chatbot
–
–
–
Document creation
–
–
–
Knowledge exchange
–
–
–
Knowledge exploration
–
–
–
Model routing
–
–
–
Note taking
–
–
–
Slack
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.