Voiceflow vs Stack AI vs Chatbase vs Dialogflow

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

Your tool
Voiceflow
vs
Competitor 1
Stack AI
Competitor 2
Chatbase
Competitor 3
Dialogflow
Compare
4 tools · best value per row highlighted
Your tool Voiceflow
voiceflow.com
Design conversations visually
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Chatbase
chatbase.co
Train chatbots on your content
Make main Remove
Competitor Dialogflow
cloud.google.com
Google's conversational AI
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
385Kvisits/mo
6.3Kvisits/mo
402.2Kvisits/mo
48Mvisits/mo
MoM change
▼ 5.8%
▼ 57.9%
▲ 2.0%
▲ 1.9%
6-month growth
-35.3%
-93.7%
-12.4%
+1.6%
Global rank web
#93,201
#1,700,092
#84,220
#560
Avg. last 3 months
407.5K
13.9K
412.6K
48M
Bounce rate lower is better
38%
39%
44%
35%
Pages / visit
5.2
1.8
6.9
10.4
Visit duration
3m 07s
14s
4m 34s
7m 47s
Traffic sources
● Direct 75% · ● Referral 24%
—
● Direct 81% · ● Referral 15%
● Direct 67% · ● Referral 29%
VoiceflowStack AIChatbaseDialogflow
013.2M26.5M39.7M52.9MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KChatbase · 590.6KChatbase · 583.4KChatbase · 309.5KChatbase · 281.8KChatbase · 459KChatbase · 473.7KChatbase · 444.7KChatbase · 441.2KChatbase · 394.5KChatbase · 402.2KDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48M1K10K100K1M10M100MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KChatbase · 590.6KChatbase · 583.4KChatbase · 309.5KChatbase · 281.8KChatbase · 459KChatbase · 473.7KChatbase · 444.7KChatbase · 441.2KChatbase · 394.5KChatbase · 402.2KDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
Free tier
Free tier
$40per month · free tier available
Free tier
Free tier
Free trial
–
API access
Plans
—
—
Free FreeHobby $40/moStandard $150/moPro $500/mo+1 more
—
Capabilities input → output
Input
DocumentsText
DataDocumentsText
DocumentsTextWeb pages
AudioText
Output
Apps
Apps
AppsText
Apps
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsAI ChatbotAI Customer Service+1 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
13
7
10
7
Agents
–
Chatbot building
–
Chatbots
–
Customer support
–
Customer support chatbot
–
No-code
–
Agent creation
–
–
Call center automation
–
–
Call agents
–
–
Chatbot integration
–
–
Website to chatbot
–
–
Voice agents
–
–
–
Workflows
–
–
–
Business automation
–
–
–
Calls
–
–
–
Process automation
–
–
–
Shopify customer support
–
–
–
Call answering
–
–
–
Finance workflow automation
–
–
–
Sales
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 1
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.