Stack AI vs Dialogflow vs LangChain vs Activepieces

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

Your tool
Stack AI
vs
Competitor 1
Dialogflow
Competitor 2
LangChain
Competitor 3
Activepieces
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Dialogflow
cloud.google.com
Google's conversational AI
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Competitor Activepieces
activepieces.com
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
48Mvisits/mo
3.4Mvisits/mo
221.7Kvisits/mo
MoM change
▼ 57.9%
▲ 1.9%
▲ 0.7%
▲ 1.8%
6-month growth
-93.7%
+1.6%
+21.0%
-10.0%
Global rank web
#1,700,092
#560
#13,384
#174,361
Avg. last 3 months
13.9K
48M
3.3M
226.6K
Bounce rate lower is better
39%
35%
42%
39%
Pages / visit
1.8
10.4
6.2
3.8
Visit duration
14s
7m 47s
5m 29s
2m 39s
Traffic sources
—
● Direct 67% · ● Referral 29%
● Direct 73% · ● Referral 24%
● Direct 74% · ● Referral 24%
Stack AIDialogflowLangChainActivepieces
013.2M26.5M39.7M52.9MStack 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 · 6.3KDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7K1K10K100K1M10M100MStack 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 · 6.3KDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
Free tier
Free tier
$39per month · free tier available
$20per month · free tier available
Free tier
Free trial
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–
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API access
–
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Plans
—
—
Developer FreePlus $39/moEnterprise Custom/mo
Free FreePlus $20/moTeam $200/mo
Capabilities input → output
Input
DataDocumentsText
AudioText
CodeText
Text
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Productivity & OfficeAI AgentAI Workflow
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
7
6
4
Agents
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Agent creation
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No-code
–
–
Workflows
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Chatbot building
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–
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Chatbots
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–
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LLM development
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–
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Business automation
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–
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Call center automation
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–
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Customer support
–
–
–
Customer support chatbot
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–
–
Developer tools
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–
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Development
–
–
–
Process automation
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–
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Agent testing
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–
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Call agents
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–
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Chatbot integration
–
–
–
Finance workflow automation
–
–
–
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.