Dialogflow vs Vapi vs Retell AI vs Monobot

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
Retell AI
Competitor 3
Monobot
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 Retell AI
retellai.com
Retell AI is a voice agent platform for automating phone calls.
Make main Remove
Competitor Monobot
monobot.ai
Voice agents that handle actual phone conversations
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
48Mvisits/mo
—
—
174visits/mo
MoM change
▲ 1.9%
—
—
▼ 70.7%
6-month growth
+1.6%
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-86.3%
Global rank web
#560
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#5,550,696
Avg. last 3 months
48M
—
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255
Bounce rate lower is better
35%
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0%
Pages / visit
10.4
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Visit duration
7m 47s
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Traffic sources
● Direct 67% · ● Referral 29%
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DialogflowVapiRetell AIMonobot
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
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
Pay as you go CustomEnterprise Custom
Starter $200/moGrowth $500/moBusiness $1000/moEnterprise Custom
Capabilities input → output
Input
AudioText
AudioText
AudioText
AudioText
Output
Apps
AppsAudio
AppsAudio
AudioText
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
7
11
10
13
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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Appointments
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Call analysis
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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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Restaurant reservations
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SMS marketing
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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.