Retell AI vs Dialogflow vs Voiceflow vs Vapi

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

Your tool
Retell AI
vs
Competitor 1
Dialogflow
Competitor 2
Voiceflow
Competitor 3
Vapi
Compare
4 tools · best value per row highlighted
Your tool Retell AI
retellai.com
Retell AI is a voice agent platform for automating phone calls.
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Competitor Dialogflow
cloud.google.com
Google's conversational AI
Make main Remove
Competitor Voiceflow
voiceflow.com
Design conversations visually
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Competitor Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
48Mvisits/mo
385Kvisits/mo
—
MoM change
—
▲ 1.9%
▼ 5.8%
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6-month growth
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+1.6%
-35.3%
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Global rank web
—
#560
#93,201
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Avg. last 3 months
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48M
407.5K
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Bounce rate lower is better
—
35%
38%
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Pages / visit
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10.4
5.2
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Visit duration
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7m 47s
3m 07s
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Traffic sources
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● Direct 67% · ● Referral 29%
● Direct 75% · ● Referral 24%
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Retell AIDialogflowVoiceflowVapi
013.2M26.5M39.7M52.9MDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385K100K1M10M100MDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
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Free tier
Free tier
$29per month
Free tier
–
–
Free trial
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API access
Plans
Pay as you go CustomEnterprise Custom
—
—
No Success Package FreeCore $29/moPro $999/moPremier Custom
Capabilities input → output
Input
AudioText
AudioText
DocumentsText
AudioText
Output
AppsAudio
Apps
Apps
AppsAudio
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+3 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
7
13
2
Call agents
Voice agents
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Chatbot building
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Chatbots
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Customer support
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Customer support chatbot
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Call center automation
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Agents
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–
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Agent creation
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–
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Calls
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–
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Call answering
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–
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Chatbot integration
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–
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No-code
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–
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Website to chatbot
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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.