GitBook vs Stacks vs GitHub Copilot vs Glean

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

Your tool
GitBook
vs
Competitor 1
Stacks
Competitor 2
GitHub Copilot
Competitor 3
Glean
Compare
4 tools · best value per row highlighted
Your tool GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
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Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
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.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
637.9Mvisits/mo
—
MoM change
—
▼ 8.4%
▲ 3.7%
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6-month growth
—
-50.8%
+19.3%
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Global rank web
—
#3,182,249
#49
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Avg. last 3 months
—
6.1K
629.7M
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Bounce rate lower is better
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41%
36%
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Pages / visit
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1.7
5.9
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Visit duration
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6s
6m 26s
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Traffic sources
—
—
● Direct 83% · ● Referral 15%
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GitBookStacksGitHub CopilotGlean
0159.5M318.9M478.4M637.9MStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M1K10K100K1M10M100M1BStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Paid
Freemium
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Starting price
$65per month · free tier available
$9per month
$4per month · free tier available
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Free tier
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Free trial
–
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API access
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Plans
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Free FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
CodeText
DocumentsTextWeb pages
CodeText
DataDocumentsText
Output
DocumentsText
Text
Code
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Intermediate
Categories
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Education & LearningProductivity & OfficeAI AgentAI Assistant+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
6
9
10
Knowledge bases
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Digital information management
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Agents
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Knowledge
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Agent management
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AI search
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–
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Bookmarking
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–
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Code autocompletion
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–
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Coding
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–
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Agent creation
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–
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Business productivity
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–
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Chrome extensions
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–
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Code documentation
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–
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Code reviews
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–
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Coding in VS Code
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–
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Vs code
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–
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API docs
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–
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Customer support chatbot
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–
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Debugging
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–
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Developer tools
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–
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Document creation
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–
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Knowledge exploration
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–
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Knowledge sourcing
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Model routing
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Note taking
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Terminal
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–
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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
2
0
Verified listing
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–
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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.