Windmill vs Stack AI vs Stepper vs AutoFlo

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

Your tool
Windmill
vs
Competitor 1
Stack AI
Competitor 2
Stepper
Competitor 3
AAutoFlo
Compare
4 tools · best value per row highlighted
Your tool Windmill
windmill.dev
Windmill is an open-source, code-first orchestration platform for internal software.
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Stepper
stepper.io
Building automated workflows traditionally requires either coding skills or wrestling with complex visual builders
Make main Remove
Competitor AAutoFlo
autoflo.lovable.app
You open AutoFlo and immediately upload a process document or answer questions about your business operations
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
49.9Kvisits/mo
—
MoM change
—
▼ 57.9%
▲ 34.2%
—
6-month growth
—
-93.7%
+519.2%
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Global rank web
—
#1,700,092
#677,321
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Avg. last 3 months
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13.9K
38.1K
—
Bounce rate lower is better
—
39%
40%
0%
Pages / visit
—
1.8
2.0
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Visit duration
—
14s
47s
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Traffic sources
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—
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WindmillStack AIStepperAutoFlo
042K84K126K167.9KStack 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 · 6.3KStepper · 8.1KStepper · 15.4KStepper · 20.2KStepper · 27KStepper · 37.2KStepper · 49.9K1K10K100K1MStack 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 · 6.3KStepper · 8.1KStepper · 15.4KStepper · 20.2KStepper · 27KStepper · 37.2KStepper · 49.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$120per month · free tier available
Free tier
$19per month · free tier available
£41.58per month
Free tier
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Free trial
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API access
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Plans
Free and Open-source (self-host) FreeEnterprise $120/mo
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Free FreePro $19/moTeam Coming soon
Founding Member £499
Capabilities input → output
Input
Code
DataDocumentsText
Text
DocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Intermediate
Intermediate
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Productivity & OfficeAI Workflow
Productivity & OfficeAI Workflow
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
9
7
4
9
Workflows
Process automation
Business automation
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No-code
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Agents
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Workflow deployment
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Agent creation
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Workflow optimization
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Business process analysis
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Process optimization
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Self hosted
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Task automation
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APIs
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Business optimization
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Developer tools
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Finance workflow automation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 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.