Dialogflow vs Vapi vs Monobot vs Retell AI

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

Your tool
Dialogflow
vs
Competitor 1
Vapi
Competitor 2
Monobot
Competitor 3
Retell AI
Compare
4 tools · best value per row highlighted
Your tool Dialogflow
cloud.google.com
Google's conversational AI
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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
Competitor Monobot
monobot.ai
Voice agents that handle actual phone conversations
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Competitor Retell AI
retellai.com
Retell AI is a voice agent platform for automating phone calls.
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Traffic estimated monthly website traffic
Monthly visits
48Mvisits/mo
—
174visits/mo
—
MoM change
▲ 1.9%
—
▼ 70.7%
—
6-month growth
+1.6%
—
-86.3%
—
Global rank web
#560
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#5,550,696
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Avg. last 3 months
48M
—
255
—
Bounce rate lower is better
35%
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0%
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Pages / visit
10.4
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—
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Visit duration
7m 47s
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—
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Traffic sources
● Direct 67% · ● Referral 29%
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DialogflowVapiMonobotRetell AI
013.2M26.5M39.7M52.9MDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MMonobot · 1.3KMonobot · 5.8KMonobot · 5.1KMonobot · 3.2KMonobot · 593Monobot · 1741001K10K100K1M10M100MDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MMonobot · 1.3KMonobot · 5.8KMonobot · 5.1KMonobot · 3.2KMonobot · 593Monobot · 174Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Paid
Starting price
Free tier
$29per month
$200per month
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Free tier
–
–
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Free trial
–
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API access
Plans
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No Success Package FreeCore $29/moPro $999/moPremier Custom
Starter $200/moGrowth $500/moBusiness $1000/moEnterprise Custom
Pay as you go CustomEnterprise Custom
Capabilities input → output
Input
AudioText
AudioText
AudioText
AudioText
Output
Apps
AppsAudio
AudioText
AppsAudio
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
7
11
13
10
Call center automation
Call agents
Customer support
Voice agents
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Call answering
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Calls
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Chatbots
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Agent creation
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Chatbot building
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Customer calls
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Chatbot integration
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APIs
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–
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Appointments
–
–
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Call analysis
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–
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Customer support chatbot
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Developer tools
–
–
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Agent testing
–
–
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Customer support automation
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Identity verification
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–
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Restaurant reservations
–
–
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SMS marketing
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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
▲ 1
▲ 0
▲ 0
▲ 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.