Open Notebook vs NotebookLM vs MindMarks vs Liminary

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

Your tool
ONOpen Notebook
vs
Competitor 1
NotebookLM
Competitor 2
MindMarks
Competitor 3
Liminary
Compare
4 tools · best value per row highlighted
Your tool ONOpen Notebook
open-notebook.ai
Open Notebook is an open-source AI note-taking and research platform built around privacy.
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Competitor NotebookLM
notebooklm.google.com
Your docs, deeply understood
Make main Remove
Competitor MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
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Competitor Liminary
liminary.io
Ever open a browser tab to find something you saved three months ago, only to spend ten minutes hunting through bookmarks
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
159.8Mvisits/mo
854visits/mo
23.3Kvisits/mo
MoM change
—
▼ 26.8%
—
▼ 18.4%
6-month growth
—
-14.7%
—
-10.4%
Global rank web
—
—
—
#1,028,276
Avg. last 3 months
—
210.3M
284
24.3K
Bounce rate lower is better
—
32%
39%
37%
Pages / visit
—
5.0
1.1
2.0
Visit duration
—
6m 32s
—
51s
Traffic sources
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● Direct 81% · ● Referral 17%
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—
Open NotebookNotebookLMMindMarksLiminary
063.2M126.5M189.7M253MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MMindMarks · 854Liminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3K1001K10K100K1M10M100M1BNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MMindMarks · 854Liminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
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Freemium
Starting price
Free
$4.99per month · free tier available
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$29per month · free tier available
Free tier
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Free trial
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API access
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–
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Plans
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Free FreeGoogle AI Plus $4.99/moNotebookLM Pro (Google AI Pro) $19.99/moVia Google AI Ultra $99.99/mo
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Explorer FreePro $29/moTeam $50/mo
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsWeb pagesTextAudio
Text
Web pagesTextDocuments
Output
AudioText
VideoTextAudio
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Productivity & OfficeResearch & AnalyticsVoice & SpeechAI Note Taker+2 more
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
8
7
6
Note taking
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Research
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Podcasts
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Summarizing
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Digital information management
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Knowledge bases
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Video summaries
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Bookmarking
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–
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Conversation archiving
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–
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PDF analysis
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–
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Prompt management
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–
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Chrome extensions
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–
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Self hosted
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–
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Text to podcast
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ChatGPT
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–
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Conversation summaries
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Document summarization
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Files
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Productivity
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–
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Prompts
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–
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Web search summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 4
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
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.