Perplexity AI vs OpenCode vs GitHub Copilot vs ChatPDF

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

Your tool
Perplexity AI
vs
Competitor 1
OpenCode
Competitor 2
GitHub Copilot
Competitor 3
ChatPDF
Compare
4 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
Remove
Competitor 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.
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
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.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
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637.9Mvisits/mo
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MoM change
▼ 8.2%
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▲ 3.7%
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6-month growth
-42.9%
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+19.3%
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Global rank web
#446
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#49
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Avg. last 3 months
104.9M
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629.7M
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Bounce rate lower is better
33%
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36%
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Pages / visit
3.6
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5.9
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Visit duration
4m 18s
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6m 26s
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Traffic sources
● Direct 94% · ● Referral 4%
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● Direct 83% · ● Referral 15%
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Perplexity AIOpenCodeGitHub CopilotChatPDF
0159.5M318.9M478.4M637.9MPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M10M100M1BPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Free
Starting price
$20per month · free tier available
Free
$4per 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 FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
CodeDocumentsImagesText
CodeText
CodeText
DocumentsTextWeb pages
Output
CodeText
Code
Code
Text
Skill level
Beginner-friendly
Advanced
Intermediate
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
3
4
7
Coding
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Research
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Document summarization
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Summarizing
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Homework assistance
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AI search
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PDFs
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Search engine
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Agents
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Chatbots
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Code reviews
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Research papers
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Academic research
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Agent management
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Developer tools
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Development
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Literature reviews
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Summaries
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Writing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
1
0
2
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.