Vapi vs CometAPI vs Defapi vs Goodcall

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

Your tool
Vapi
vs
Competitor 1
CometAPI
Competitor 2
DDefapi
Competitor 3
Goodcall
Compare
4 tools · best value per row highlighted
Your tool Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
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Competitor 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 DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
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Competitor Goodcall
goodcall.com
Goodcall is a voice AI service that answers business phone calls with a custom AI agent.
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Traffic estimated monthly website traffic
Monthly visits
—
302.3Kvisits/mo
2.4Kvisits/mo
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MoM change
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▲ 9.9%
▼ 42.6%
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6-month growth
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-16.5%
-86.2%
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Global rank web
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#157,147
#4,650,820
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Avg. last 3 months
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295.7K
4.8K
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Bounce rate lower is better
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46%
36%
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Pages / visit
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2.9
1.4
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Visit duration
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38s
7s
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Traffic sources
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● Direct 69% · ● Referral 30%
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VapiCometAPIDefapiGoodcall
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
Freemium
Paid
Paid
Starting price
$29per month
$4per month · free tier available
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$66per month
Free tier
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Free trial
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API access
Plans
No Success Package FreeCore $29/moPro $999/moPremier Custom
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
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
Starter $66/moGrowth $108/moScale $208/moEnterprise Custom
Capabilities input → output
Input
AudioText
TextImages
ImagesTextAudio
AudioWeb pages
Output
AppsAudio
VideoTextImages
TextImagesAudio
AudioData
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Development & CodeAI API
Development & CodeAI API
Business & MarketingAI Call CenterAI Customer Service
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
11
6
4
14
APIs
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Voice agents
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API integrations
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Call center automation
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Call agents
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Call answering
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Customer calls
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Customer support
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Developer tools
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Calls
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LLM gateway
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API management
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Agent creation
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Appointments
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Customer leads
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Customer support automation
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Receptionist
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API security
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Agent testing
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Call analysis
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Caller identification
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Image generation
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Lead generation
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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
▲ 0
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Saves
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Reviews
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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.