Question Base vs MindMarks vs Stacks vs Knowledge Plane

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

Your tool
Question Base
vs
Competitor 1
MindMarks
Competitor 2
Stacks
Competitor 3
Knowledge Plane
Compare
4 tools · best value per row highlighted
Your tool Question Base
questionbase.com
Question Base is an AI answer agent that lives in Slack and responds to employee questions using your company's documentation, wikis and past conversations.
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Competitor MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
Make main Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
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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Engineering teams watch their AI tools hallucinate outdated project details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
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854visits/mo
6.3Kvisits/mo
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MoM change
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▼ 8.4%
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6-month growth
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-50.8%
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Global rank web
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#3,182,249
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Avg. last 3 months
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284
6.1K
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Bounce rate lower is better
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39%
41%
0%
Pages / visit
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1.1
1.7
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Visit duration
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6s
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Traffic sources
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Question BaseMindMarksStacksKnowledge Plane
03.2K6.4K9.6K12.8KMindMarks · 854Stacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1001K10K100KMindMarks · 854Stacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Paid
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Paid
Freemium
Starting price
$5per month
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$9per month
$19per month · free tier available
Free tier
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Free trial
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API access
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Plans
Proof of Concept $1,000Annual Pro $6,000/yrEnterprise+ $20,000/yr
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Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Capabilities input → output
Input
DocumentsText
Text
DocumentsTextWeb pages
CodeDocumentsText
Output
Text
Text
Text
Text
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
7
6
12
Knowledge bases
Digital information management
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Slack
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Knowledge
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Bookmarking
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Conversation archiving
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Knowledge graphs
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Prompt management
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Agent memory
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Chatbots
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Chrome extensions
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Developer tools
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Knowledge maps
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Knowledge optimization
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Knowledge sourcing
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Agents
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ChatGPT
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Code documentation
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Codebase q a
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Conversation summaries
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Knowledge exchange
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Knowledge exploration
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Note taking
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Prompts
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 4
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Saves
0
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Reviews
0
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Prompts
0
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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.