GitBook vs Spell vs Confluence vs Knowledge Plane

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

Your tool
GitBook
vs
Competitor 1
Spell
Competitor 2
Confluence
Competitor 3
Knowledge Plane
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.
Remove
Competitor Spell
spellapp.com
A marketing manager needs to draft a product launch announcement
Make main Remove
Competitor Confluence
atlassian.com
Confluence is Atlassian's AI-assisted workspace for ideas, docs and company knowledge, where teams write, organize and find information together.
Make main Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
22.8Kvisits/mo
—
—
MoM change
—
▼ 10.2%
—
—
6-month growth
—
+11.7%
—
—
Global rank web
—
#1,497,630
—
—
Avg. last 3 months
—
25K
—
—
Bounce rate lower is better
—
94%
—
0%
Pages / visit
—
1.1
—
—
Visit duration
—
44s
—
—
Traffic sources
—
● Referral 64% · ● Direct 36%
—
—
GitBookSpellConfluenceKnowledge Plane
035.6K71.3K106.9K142.6KSpell · 142.6KSpell · 26.5KSpell · 20.4KSpell · 28.8KSpell · 34KSpell · 27KSpell · 25.4KSpell · 22.8K10K100K1MSpell · 142.6KSpell · 26.5KSpell · 20.4KSpell · 28.8KSpell · 34KSpell · 27KSpell · 25.4KSpell · 22.8KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$65per month · free tier available
$20per month · free tier available
$5.42per month · free tier available
$19per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Free FreePro $20/moTeam $40/mo
Free FreeStandard $5.42/moPremium $10.44/moEnterprise Custom
—
Capabilities input → output
Input
CodeText
Text
DocumentsText
CodeDocumentsText
Output
DocumentsText
Documents
DocumentsSlidesText
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Intermediate
Categories
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Productivity & OfficeWriting & ContentAI Documents GeneratorAI Writing Assistants
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
8
11
12
Knowledge bases
–
Knowledge
–
Digital information management
–
Document writing
–
–
Code documentation
–
–
Developer tools
–
–
Document creation
–
–
Knowledge exchange
–
–
Knowledge sourcing
–
–
Knowledge graphs
–
–
–
Writing
–
–
–
Agent memory
–
–
–
Collaborative documents
–
–
–
Confluence assistance
–
–
–
Knowledge maps
–
–
–
Summarizing
–
–
–
Team collaboration
–
–
–
AI search
–
–
–
API docs
–
–
–
Academic writing
–
–
–
Business proposals
–
–
–
Codebase q a
–
–
–
Customer support chatbot
–
–
–
Essay writing
–
–
–
Press releases
–
–
–
Proposal drafting
–
–
–
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.