ChatPDF vs NoteGPT vs NotebookLM vs LightPDF
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
ChatPDF
vs ChatPDF
Competitor 1
NoteGPT
NoteGPT
Competitor 2
NotebookLM
NotebookLM
Competitor 3
LightPDF
LightPDFCompare
4 tools · best value per row highlighted
Your tool
ChatPDF
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.
Competitor
LightPDF
LightPDF
lightpdf.com
LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize and extract insights from uploaded PDF, Word, Excel, and PPT documents. With multi-platform availability and s
Traffic estimated monthly website traffic
Monthly visits
—
7.3Mvisits/mo
159.8Mvisits/mo
1.8Mvisits/mo
MoM change
—
▼ 9.2%
▼ 26.8%
▲ 1.0%
6-month growth
—
-43.3%
-14.7%
-4.4%
Global rank web
—
#6,906
—
#34,433
Avg. last 3 months
—
8.2M
210.3M
1.7M
Bounce rate lower is better
—
44%
32%
51%
Pages / visit
—
4.1
5.0
2.3
Visit duration
—
4m 23s
6m 32s
1m 31s
Traffic sources
—
● Direct 84% · ● Referral 15%
● Direct 81% · ● Referral 17%
● Direct 88% · ● Referral 10%
ChatPDFNoteGPTNotebookLMLightPDF
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$9per month
$4.99per month · free tier available
$1.33per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
–
Plans
—
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
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Capabilities input → output
Input
DocumentsTextWeb pages
VideoWeb pagesTextDocumentsAudio
DocumentsWeb pagesTextAudio
Web pagesDocuments
Output
Text
TextSlidesImagesDocumentsData
VideoTextAudio
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
12
9
8
9
Summarizing
PDF analysis
–
Research
–
Document summarization
–
–
PDFs
–
–
Video summaries
–
–
Note taking
–
–
Podcasts
–
–
Data extraction
–
–
–
Document data extraction
–
–
–
Interactive PDF processing
–
–
–
Mind maps
–
–
–
OCR
–
–
–
PDF summaries
–
–
–
PDF translations
–
–
–
Text extraction
–
–
–
Transcription
–
–
–
Academic research
–
–
–
Document processing
–
–
–
Document reading
–
–
–
Education
–
–
–
Files
–
–
–
Homework assistance
–
–
–
Productivity
–
–
–
Summaries
–
–
–
Text to speech
–
–
–
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
–
–
–
–
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.