CometAPI vs Parallel Web Systems vs Perplexity Sonar API vs Defapi

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

Your tool
CometAPI
vs
Competitor 1
Parallel Web Systems
Competitor 2
Perplexity Sonar API
Competitor 3
DDefapi
Compare
4 tools · best value per row highlighted
Your tool CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
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Competitor Parallel Web Systems
parallel.ai
Parallel Web Systems builds web infrastructure for AI agents.
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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 DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
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Traffic estimated monthly website traffic
Monthly visits
302.3Kvisits/mo
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2.4Kvisits/mo
MoM change
▲ 9.9%
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▼ 42.6%
6-month growth
-16.5%
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-86.2%
Global rank web
#157,147
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#4,650,820
Avg. last 3 months
295.7K
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4.8K
Bounce rate lower is better
46%
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36%
Pages / visit
2.9
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1.4
Visit duration
38s
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7s
Traffic sources
● Direct 69% · ● Referral 30%
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CometAPIParallel Web SystemsPerplexity Sonar APIDefapi
0208.6K417.2K625.8K834.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4K1K10K100K1MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
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Paid
Starting price
$4per month · free tier available
Free
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Free tier
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Free trial
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API access
Plans
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Pay as you go CustomResponses/Monitor/Find All APIs Custom
Router API CustomAgent API CustomSearch API CustomEmbeddings API Custom+1 more
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Capabilities input → output
Input
TextImages
DataTextWeb pages
Text
AudioTextImages
Output
TextVideoImages
DataText
Text
TextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI API
Development & CodeProductivity & OfficeResearch & AnalyticsAI Developer Tools+3 more
Development & CodeAI API
Development & CodeAI API
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
4
6
4
APIs
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Developer tools
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API integrations
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LLM gateway
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API management
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Information retrieval
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Research
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Web scraping
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Web search summaries
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API security
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Development
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Image generation
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Video generation
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Website crawling
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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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Saves
0
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Reviews
0
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Prompts
0
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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.