Stack AI vs Flowise vs Windmill 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
Flowise
Competitor 2
Windmill
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 Flowise
flowiseai.com
No-code AI workflows
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Competitor Windmill
windmill.dev
Windmill is an open-source, code-first orchestration platform for internal software.
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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
168.3Kvisits/mo
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MoM change
▼ 57.9%
▼ 27.6%
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6-month growth
-93.7%
-14.1%
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Global rank web
#1,700,092
#239,649
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Avg. last 3 months
13.9K
203.8K
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Bounce rate lower is better
39%
43%
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Pages / visit
1.8
2.8
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Visit duration
14s
1m 23s
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Traffic sources
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● Direct 79% · ● Referral 19%
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Stack AIFlowiseWindmillMicrosoft Copilot Studio
063.6K127.2K190.8K254.4KStack 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 · 6.3KFlowise · 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 · 6.3KFlowise · 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
$35per month · free tier available
$120per 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
Free and Open-source (self-host) FreeEnterprise $120/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
Code
DataDocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI Developer ToolsAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 4 shared · core   partial
Tasks covered
7
10
9
11
Workflows
Agents
No-code
Agent creation
Chatbot building
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Chatbots
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Process automation
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Workflow deployment
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Agent collaboration
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Agent management
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Business automation
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MCP
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Self hosted
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Voice agents
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APIs
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Chatbot integration
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Customer support chatbot
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Developer tools
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Development
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Finance workflow automation
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Voice chatting
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
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Reviews
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Prompts
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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.