Perplexity AI vs ChatGPT vs LightPDF vs Consensus
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Perplexity AI
vs Perplexity AI
Competitor 1
ChatGPT
ChatGPT
Competitor 2
LightPDF
LightPDF
Competitor 3
Consensus
ConsensusCompare
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
Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
5.6Bvisits/mo
1.8Mvisits/mo
5.8Mvisits/mo
MoM change
▼ 8.2%
▲ 3.5%
▲ 1.0%
▲ 3.5%
6-month growth
-42.9%
-1.6%
-4.4%
+14.4%
Global rank web
#446
#7
#34,433
#9,859
Avg. last 3 months
104.9M
5.5B
1.7M
5.5M
Bounce rate lower is better
33%
30%
51%
43%
Pages / visit
3.6
4.3
2.3
4.1
Visit duration
4m 18s
6m 35s
1m 31s
3m 56s
Traffic sources
● Direct 94% · ● Referral 4%
● Direct 95% · ● Referral 3%
● Direct 88% · ● Referral 10%
● Direct 84% · ● Referral 14%
Perplexity AIChatGPTLightPDFConsensus
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$8per month · free tier available
$1.33per month · free tier available
$8.99per 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
—
Capabilities input → output
Input
TextCodeDocumentsImages
AudioTextImagesDocumentsCode
Web pagesDocuments
Text
Output
TextCode
TextImagesCodeAudio
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
10
19
9
8
Research
–
Search engine
–
Summarizing
–
Chatbots
–
–
Document summarization
–
–
Research papers
–
–
Literature reviews
–
–
Writing
–
–
AI search
–
–
–
Data extraction
–
–
–
Document data extraction
–
–
–
PDF analysis
–
–
–
Academic research
–
–
–
Blogging
–
–
–
Coding
–
–
–
Copywriting
–
–
–
Email writing
–
–
–
Essay writing
–
–
–
Grammar checking
–
–
–
Image generation
–
–
–
Image to text
–
–
–
Medical research
–
–
–
OCR
–
–
–
PDFs
–
–
–
Research papers summaries
–
–
–
Scientific research
–
–
–
Text extraction
–
–
–
Translations
–
–
–
Code documentation
–
–
–
Debugging
–
–
–
Community on aitoolstime
Rating
no ratings yet
4.34 ratings
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 17
▲ 0
▲ 0
Saves
0
4
0
0
Reviews
0
4
0
0
Prompts
1
17
0
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.