ReadMe vs Knowledge Plane vs GitBook vs Supadev

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

Your tool
ReadMe
vs
Competitor 1
Knowledge Plane
Competitor 2
GitBook
Competitor 3
Supadev
Compare
4 tools · best value per row highlighted
Your tool ReadMe
readme.com
ReadMe builds interactive API documentation that developers can read, test and search.
Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
Make main Remove
Competitor Supadev
supadev.so
Ever notice how AI coding assistants sometimes generate code that's completely wrong for your project
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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—
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3.9Kvisits/mo
MoM change
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—
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▲ 177.8%
6-month growth
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—
—
Global rank web
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#4,727,095
Avg. last 3 months
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2.2K
Bounce rate lower is better
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0%
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56%
Pages / visit
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1.3
Visit duration
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5s
Traffic sources
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ReadMeKnowledge PlaneGitBookSupadev
09832K2.9K3.9KSupadev · 941Supadev · 351Supadev · 1.2KSupadev · 1.4KSupadev · 3.9K1001K10KSupadev · 941Supadev · 351Supadev · 1.2KSupadev · 1.4KSupadev · 3.9KDec '25Jan '26FebMarApr
Pricing
Model
Freemium
Freemium
Freemium
Paid
Starting price
$250per month · free tier available
$19per month · free tier available
$65per month · free tier available
$12per month
Free tier
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Free trial
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–
API access
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Plans
Starter FreePro $250/moEnterprise Custom
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Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Professional Monthly $30/moProfessional Yearly $12/mo
Capabilities input → output
Input
DocumentsTextWeb pages
CodeDocumentsText
CodeText
Text
Output
DocumentsText
Text
DocumentsText
Documents
Skill level
Intermediate
Intermediate
Beginner-friendly
Advanced
Categories
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Education & LearningAI Knowledge Management
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeProductivity & OfficeAI Developer ToolsAI Documents Generator
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
12
8
5
Code documentation
Developer tools
Knowledge bases
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API docs
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Knowledge
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Digital information management
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Knowledge graphs
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Agent memory
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Knowledge maps
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Knowledge sourcing
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Project specifications
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Technical documentation
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AI search
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Codebase q a
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Customer support chatbot
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Document creation
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Documents
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Knowledge exchange
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MCP
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Slack
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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
0
0
Verified listing
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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.