ChatPDF vs NotebookLM vs Open Notebook

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

Your tool
ChatPDF
vs
Competitor 1
NotebookLM
Competitor 2
ONOpen Notebook
Competitor 3
Suggested competitors for ChatPDF: Collate82% Smallpdf AI PDF81% APAI PDF Reader80% Adobe Acrobat80% LightPDF80% PDF.ai79% ReadDocs79% iLovePDF AI Summarizer79%
Compare
3 tools · best value per row highlighted
Your tool ChatPDF
chatpdf.com
ChatPDF is a document question-answering app: upload a PDF, ask questions in plain language, and get answers with built-in citations that point back to the source passage.
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Competitor NotebookLM
notebooklm.google.com
Your docs, deeply understood
Make main Remove
Competitor ONOpen Notebook
open-notebook.ai
Open Notebook is an open-source AI note-taking and research platform built around privacy.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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159.8Mvisits/mo
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MoM change
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▼ 26.8%
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6-month growth
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-14.7%
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Global rank web
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—
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Avg. last 3 months
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210.3M
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Bounce rate lower is better
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32%
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Pages / visit
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5.0
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Visit duration
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6m 32s
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Traffic sources
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● Direct 81% · ● Referral 17%
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ChatPDFNotebookLMOpen Notebook
063.2M126.5M189.7M253MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8M100M1BNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Free
Starting price
Free
$4.99per month · free tier available
Free
Free tier
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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Capabilities input → output
Input
DocumentsTextWeb pages
AudioDocumentsTextWeb pages
DocumentsTextWeb pages
Output
Text
AudioTextVideo
AudioText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Productivity & OfficeResearch & AnalyticsVoice & SpeechAI Note Taker+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
8
3
Research
Note taking
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Podcasts
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Summarizing
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PDF analysis
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PDFs
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Document summarization
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Homework assistance
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Academic research
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Files
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Productivity
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Summaries
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Video summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
2
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.