ChatGPT vs LightPDF vs Smallpdf AI PDF vs Gemini
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
ChatGPT
vs ChatGPT
Competitor 1
LightPDF
LightPDF
Competitor 2
Smallpdf AI PDF
Smallpdf AI PDF
Competitor 3
Gemini
GeminiCompare
4 tools · best value per row highlighted
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
Competitor
Smallpdf AI PDF
Smallpdf AI PDF
smallpdf.com
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
Traffic estimated monthly website traffic
Monthly visits
5.6Bvisits/mo
1.8Mvisits/mo
—
2.6Bvisits/mo
MoM change
▲ 3.5%
▲ 1.0%
—
▼ 2.6%
6-month growth
-1.6%
-4.4%
—
+0.8%
Global rank web
#7
#34,433
—
#17
Avg. last 3 months
5.5B
1.7M
—
2.7B
Bounce rate lower is better
30%
51%
—
28%
Pages / visit
4.3
2.3
—
4.1
Visit duration
6m 35s
1m 31s
—
7m 01s
Traffic sources
● Direct 95% · ● Referral 3%
● Direct 88% · ● Referral 10%
—
● Direct 94% · ● Referral 4%
ChatGPTLightPDFSmallpdf AI PDFGemini
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$8per month · free tier available
$1.33per month · free tier available
€6per month · free tier available
$4.99per month · free tier available
Free tier
Free trial
–
API access
–
–
–
–
Plans
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Pro €7.50/moTeam (2-100 users) €6/mo
Free FreeGoogle AI Plus $4.99/moGoogle AI Pro $19.99/moGoogle AI Ultra 5x $99.99/mo+1 more
Capabilities input → output
Input
AudioTextImagesDocumentsCode
Web pagesDocuments
TextDocuments
ImagesTextDocumentsCodeAudio
Output
TextImagesCodeAudio
Text
Text
VideoTextImagesCodeAudio
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
19
9
8
15
Summarizing
PDF analysis
–
Chatbots
–
–
Document summarization
–
–
Image generation
–
–
PDFs
–
–
Coding
–
–
Document data extraction
–
–
Email writing
–
–
Research
–
–
Search engine
–
–
Translations
–
–
Writing
–
–
Image to image
–
–
Image editing
–
–
Data extraction
–
–
–
Document chat
–
–
–
Blogging
–
–
–
Copywriting
–
–
–
Essay writing
–
–
–
Grammar checking
–
–
–
Image to text
–
–
–
Interactive PDF processing
–
–
–
Large language models
–
–
–
OCR
–
–
–
PDF summaries
–
–
–
Text extraction
–
–
–
Video generation
–
–
–
Video summaries
–
–
–
Code documentation
–
–
–
Community on aitoolstime
Rating
4.34 ratings
no ratings yet
no ratings yet
4.33 ratings
Upvotes
▲ 17
▲ 0
▲ 0
▲ 11
Saves
4
0
0
1
Reviews
4
0
0
3
Prompts
17
0
0
4
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.