Monica vs Merlin vs LightPDF vs Who Codes Best?

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

Your tool
Monica
vs
Competitor 1
Merlin
Competitor 2
LightPDF
Competitor 3
Who Codes Best?
Compare
4 tools · best value per row highlighted
Your tool Monica
monica.im
AI in browser sidebar always ready
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Competitor Merlin
getmerlin.in
AI assistant in your browser
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Competitor 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
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Competitor Who Codes Best?
whocodesbest.com
Picking an AI coding assistant feels like guessing
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Traffic estimated monthly website traffic
Monthly visits
5.5Mvisits/mo
1.2Mvisits/mo
1.8Mvisits/mo
2Kvisits/mo
MoM change
▲ 1.6%
▼ 13.8%
▲ 1.0%
▲ 90.7%
6-month growth
-29.1%
-9.1%
-4.4%
+168.0%
Global rank web
#11,688
#46,011
#34,433
#8,718,640
Avg. last 3 months
5.6M
1.3M
1.7M
1.4K
Bounce rate lower is better
46%
50%
51%
41%
Pages / visit
2.9
2.5
2.3
1.2
Visit duration
2m 44s
4m 15s
1m 31s
1s
Traffic sources
● Direct 89% · ● Referral 9%
● Direct 83% · ● Referral 14%
● Direct 88% · ● Referral 10%
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MonicaMerlinLightPDFWho Codes Best?
02.1M4.2M6.4M8.5MMonica · 8.5MMonica · 8.2MMonica · 8.2MMonica · 7MMonica · 7.7MMonica · 7.9MMonica · 7.3MMonica · 6MMonica · 5.4MMonica · 5.5MMerlin · 1.5MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MMerlin · 1.3MMerlin · 1.3MMerlin · 1.3MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MWho Codes Best? · 747Who Codes Best? · 2.2KWho Codes Best? · 597Who Codes Best? · 1KWho Codes Best? · 1.1KWho Codes Best? · 2K1001K10K100K1M10MMonica · 8.5MMonica · 8.2MMonica · 8.2MMonica · 7MMonica · 7.7MMonica · 7.9MMonica · 7.3MMonica · 6MMonica · 5.4MMonica · 5.5MMerlin · 1.5MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MMerlin · 1.3MMerlin · 1.3MMerlin · 1.3MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MWho Codes Best? · 747Who Codes Best? · 2.2KWho Codes Best? · 597Who Codes Best? · 1KWho Codes Best? · 1.1KWho Codes Best? · 2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$8.3per month · free tier available
$29per month · free tier available
$1.33per month · free tier available
$20per month · free tier available
Free tier
Free trial
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API access
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Plans
Plan USD8.30 $8.30/moPlan USD16.60 $16.60/moPlan USD82.90 $82.90/moPlan USD99.00 $99/yr+1 more
Free FreePro $29/moTeams $15/mo
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
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Capabilities input → output
Input
CodeDocumentsImagesTextWeb pages
DocumentsWeb pagesTextCode
DocumentsWeb pages
Text
Output
CodeImagesTextVideo
TextImagesCode
Text
Code
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
AI Detection & SafetyChatbots & CompanionsDevelopment & CodeEducation & Learning+23 more
Chatbots & CompanionsDesign & CreativeDevelopment & CodeEducation & Learning+21 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
13
13
9
4
Summarizing
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Coding
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Chatbots
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Document summarization
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Image generation
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Translations
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Video summaries
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Writing
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Mind maps
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Productivity
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Chrome extensions
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Data extraction
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Document data extraction
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LLM comparison
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PDF analysis
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Copywriting
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Grammar checking
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Model comparison
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OCR
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PDFs
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Search engine
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Social media
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Social media posts
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Text extraction
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Document processing
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GPT comparison
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Video generation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 3
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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.