Kagi vs Perplexity Sonar API vs Microsoft Copilot vs ChatGPT

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

Your tool
Kagi
vs
Competitor 1
Perplexity Sonar API
Competitor 2
Microsoft Copilot
Competitor 3
ChatGPT
Compare
4 tools · best value per row highlighted
Your tool Kagi
kagi.com
Kagi is a paid search engine with no ads and no tracking, funded entirely by subscribers rather than advertisers.
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Competitor Perplexity Sonar API
docs.perplexity.ai
Perplexity Sonar API is the developer platform behind Perplexity's real-time web research, exposed as a Router API, an Agent API, a Search API and an Embeddings API.
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Competitor Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
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Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
81.9Mvisits/mo
5.6Bvisits/mo
MoM change
—
—
▼ 31.3%
▲ 3.5%
6-month growth
—
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-16.6%
-1.6%
Global rank web
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#609
#7
Avg. last 3 months
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110.9M
5.5B
Bounce rate lower is better
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36%
30%
Pages / visit
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3.6
4.3
Visit duration
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5m 32s
6m 35s
Traffic sources
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● Direct 87% · ● Referral 11%
● Direct 95% · ● Referral 3%
KagiPerplexity Sonar APIMicrosoft CopilotChatGPT
01.5B2.9B4.4B5.8BMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6B10M100M1B10BMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
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Freemium
Freemium
Starting price
$5per month
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Free tier
$8per month · free tier available
Free tier
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Free trial
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API access
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Plans
Trial FreeStarter $5/moProfessional $10/moUltimate $25/mo
Router API CustomAgent API CustomSearch API CustomEmbeddings API Custom+1 more
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Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Capabilities input → output
Input
Web pagesText
Text
DocumentsTextImagesCodeAudio
AudioTextImagesDocumentsCode
Output
Text
Text
TextImagesCodeAudio
TextImagesCodeAudio
Skill level
Beginner-friendly
Advanced
Beginner-friendly
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+6 more
Development & CodeAI API
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Generation+16 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
9
11
19
Chatbots
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Search engine
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Summarizing
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Translations
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Research
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Coding
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Image generation
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Writing
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APIs
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–
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Web search
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–
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AI search
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Blogging
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Copywriting
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Email writing
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Essay writing
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Grammar checking
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Homework assistance
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Image to text
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Information retrieval
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LLM gateway
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News
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Productivity
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Voice assistance
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Web search summaries
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Agents
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Browser
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Code documentation
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Debugging
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Developer tools
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Development
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
★ 4.34 ratings
Upvotes
▲ 0
▲ 0
▲ 2
▲ 17
Saves
0
0
0
4
Reviews
0
0
0
4
Prompts
0
0
0
17
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.