ChatPDF vs NoteGPT vs NotebookLM vs Smallpdf AI PDF

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

Your tool
ChatPDF
vs
Competitor 1
NoteGPT
Competitor 2
NotebookLM
Competitor 3
Smallpdf AI PDF
Compare
4 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 NoteGPT
notegpt.io
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Competitor NotebookLM
notebooklm.google.com
Your docs, deeply understood
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Competitor Smallpdf AI PDF
smallpdf.com
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
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Traffic estimated monthly website traffic
Monthly visits
—
7.3Mvisits/mo
159.8Mvisits/mo
—
MoM change
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▼ 9.2%
▼ 26.8%
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6-month growth
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-43.3%
-14.7%
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Global rank web
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#6,906
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Avg. last 3 months
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8.2M
210.3M
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Bounce rate lower is better
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44%
32%
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Pages / visit
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4.1
5.0
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Visit duration
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4m 23s
6m 32s
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Traffic sources
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● Direct 84% · ● Referral 15%
● Direct 81% · ● Referral 17%
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ChatPDFNoteGPTNotebookLMSmallpdf AI PDF
063.2M126.5M189.7M253MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8M1M10M100M1BNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$9per month
$4.99per month · free tier available
€6per 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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Pro $9/moUnlimited $19.92/moMax $69/mo
Free FreeGoogle AI Plus $4.99/moNotebookLM Pro (Google AI Pro) $19.99/moVia Google AI Ultra $99.99/mo
Pro €7.50/moTeam (2-100 users) €6/mo
Capabilities input → output
Input
DocumentsTextWeb pages
VideoWeb pagesTextDocumentsAudio
DocumentsWeb pagesTextAudio
DocumentsText
Output
Text
TextSlidesImagesDocumentsData
VideoTextAudio
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Education & LearningProductivity & OfficeResearch & AnalyticsVideo Editing+16 more
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
12
9
8
8
Summarizing
PDF analysis
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Research
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PDFs
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Interactive PDF processing
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Document summarization
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PDF summaries
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Video summaries
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Note taking
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Podcasts
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Document chat
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Mind maps
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PDF translations
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Transcription
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Academic research
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Document data extraction
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Document reading
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Education
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Files
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–
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Homework assistance
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–
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Productivity
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–
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Summaries
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–
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Text to speech
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
2
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.