Stack AI vs Voiceflow vs Flowise vs Microsoft Copilot Studio

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

Your tool
Stack AI
vs
Competitor 1
Voiceflow
Competitor 2
Flowise
Competitor 3
Microsoft Copilot Studio
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor Voiceflow
voiceflow.com
Design conversations visually
Make main Remove
Competitor Flowise
flowiseai.com
No-code AI workflows
Make main Remove
Competitor Microsoft Copilot Studio
microsoft.com
Builders can add conversational chat or voice agents, give them autonomous capabilities such as planning and escalating work items, and connect them to business data through more than 1,500 pre-bui...
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
385Kvisits/mo
168.3Kvisits/mo
—
MoM change
▼ 57.9%
▼ 5.8%
▼ 27.6%
—
6-month growth
-93.7%
-35.3%
-14.1%
—
Global rank web
#1,700,092
#93,201
#239,649
—
Avg. last 3 months
13.9K
407.5K
203.8K
—
Bounce rate lower is better
39%
38%
43%
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Pages / visit
1.8
5.2
2.8
—
Visit duration
14s
3m 07s
1m 23s
—
Traffic sources
—
● Direct 75% · ● Referral 24%
● Direct 79% · ● Referral 19%
—
Stack AIVoiceflowFlowiseMicrosoft Copilot Studio
0150K300K450.1K600.1KStack 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 · 6.3KVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3K1K10K100K1MStack 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 · 6.3KVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free Trial
Starting price
Free tier
Free tier
$35per month · free tier available
$18per month
Free tier
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Free trial
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API access
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Plans
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Free FreeStarter $35/moPro $65/mo
Microsoft 365 Business Standard with Copilot $23.50/moMicrosoft 365 Copilot Business $18/moMicrosoft 365 Business Premium with Copilot $32/mo
Capabilities input → output
Input
DataDocumentsText
DocumentsText
DocumentsText
DataDocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
7
13
10
11
Agents
Agent creation
No-code
Workflows
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Chatbot building
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Chatbots
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Voice agents
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Customer support chatbot
–
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Customer support
–
–
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Agent collaboration
–
–
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Agent management
–
–
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Business automation
–
–
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Call agents
–
–
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Call center automation
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–
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Calls
–
–
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MCP
–
–
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Process automation
–
–
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Call answering
–
–
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Chatbot integration
–
–
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Development
–
–
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Finance workflow automation
–
–
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Voice chatting
–
–
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Website to chatbot
–
–
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Workflow deployment
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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
▲ 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.