OpenCode vs ChatPDF vs LightPDF vs Aider

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

Your tool
OpenCode
vs
Competitor 1
ChatPDF
Competitor 2
LightPDF
Competitor 3
Aider
Compare
4 tools · best value per row highlighted
Your tool OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Competitor 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.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 Aider
aider.chat
AI pair programming in your terminal
Traffic estimated monthly website traffic
Monthly visits
—
—
1.8Mvisits/mo
317.9Kvisits/mo
MoM change
—
—
▲ 1.0%
▼ 15.9%
6-month growth
—
—
-4.4%
-12.7%
Global rank web
—
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#34,433
#140,509
Avg. last 3 months
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1.7M
378.5K
Bounce rate lower is better
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51%
48%
Pages / visit
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2.3
2.0
Visit duration
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1m 31s
55s
Traffic sources
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● Direct 88% · ● Referral 10%
● Direct 83% · ● Referral 16%
OpenCodeChatPDFLightPDFAider
0477.3K954.5K1.4M1.9MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9K100K1M10MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Free
Freemium
Free
Starting price
Free
Free
$1.33per month · free tier available
Free
Free tier
Free trial
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API access
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Plans
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Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
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Capabilities input → output
Input
CodeText
DocumentsTextWeb pages
DocumentsWeb pages
AudioCodeImagesTextWeb pages
Output
Code
Text
Text
Code
Skill level
Advanced
Beginner-friendly
Beginner-friendly
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
12
9
8
Coding
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PDF analysis
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Document summarization
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PDFs
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Summarizing
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Development
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Data extraction
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Document data extraction
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Interactive PDF processing
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Agents
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Code testing
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Git commands
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OCR
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PDF summaries
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PDF translations
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Research
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Terminal
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Text extraction
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Academic research
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Debugging
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Developer tools
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Document processing
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Document reading
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Homework assistance
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Local AI
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Refactoring
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Self hosted
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Summaries
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Terminal commands management
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 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.