Kagi vs OsirisBrain vs Perplexity Sonar API vs Monica

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

Your tool
Kagi
vs
Competitor 1
OsirisBrain
Competitor 2
Perplexity Sonar API
Competitor 3
Monica
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 OsirisBrain
osirisbrain.com
OsirisBrain is a single frontier reasoning model sold through an OpenAI-compatible API.
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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 Monica
monica.im
AI in browser sidebar always ready
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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334visits/mo
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5.5Mvisits/mo
MoM change
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▲ 1.6%
6-month growth
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-29.1%
Global rank web
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#11,688
Avg. last 3 months
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111
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5.6M
Bounce rate lower is better
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40%
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46%
Pages / visit
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1.0
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2.9
Visit duration
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2m 44s
Traffic sources
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● Direct 89% · ● Referral 9%
KagiOsirisBrainPerplexity Sonar APIMonica
02.1M4.2M6.4M8.5MOsirisBrain · 334Monica · 8.5MMonica · 8.2MMonica · 8.2MMonica · 7MMonica · 7.7MMonica · 7.9MMonica · 7.3MMonica · 6MMonica · 5.4MMonica · 5.5M1001K10K100K1M10MOsirisBrain · 334Monica · 8.5MMonica · 8.2MMonica · 8.2MMonica · 7MMonica · 7.7MMonica · 7.9MMonica · 7.3MMonica · 6MMonica · 5.4MMonica · 5.5MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
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Freemium
Starting price
$5per month
$5per month · free tier available
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$8.3per 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
Starter $5Pro $20Enterprise Custom
Router API CustomAgent API CustomSearch API CustomEmbeddings API Custom+1 more
Plan USD8.30 $8.30/moPlan USD16.60 $16.60/moPlan USD82.90 $82.90/moPlan USD99.00 $99/yr+1 more
Capabilities input → output
Input
Web pagesText
CodeText
Text
CodeWeb pagesTextImagesDocuments
Output
Text
TextCode
Text
VideoTextImagesCode
Skill level
Beginner-friendly
Advanced
Advanced
Beginner-friendly
Categories
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+6 more
Development & CodeAI API
Development & CodeAI API
AI Detection & SafetyChatbots & CompanionsDevelopment & CodeEducation & Learning+23 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
6
9
13
APIs
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Chatbots
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Search engine
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Summarizing
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Translations
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Coding
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LLM gateway
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Developer tools
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Web search
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AI search
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Document summarization
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Grammar checking
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Image generation
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Information retrieval
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Mind maps
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News
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Video summaries
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Web search summaries
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Writing
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API integrations
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Agents
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Browser
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Development
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LLM development
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Model routing
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Productivity
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Research
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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
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▲ 1
Saves
0
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Reviews
0
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Prompts
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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.