Stack AI vs Dify vs Langdock vs Langflow

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

Your tool
Stack AI
vs
Competitor 1
Dify
Competitor 2
LLangdock
Competitor 3
Langflow
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor Dify
dify.ai
AI apps without code
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Competitor LLangdock
langdock.com
Langdock is an AI adoption platform that puts chat, workflow automation, custom agents, integrations and an API in one workspace for an entire company.
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Competitor Langflow
langflow.org
Drag and drop AI
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
1Mvisits/mo
—
215.3Kvisits/mo
MoM change
▼ 57.9%
▼ 16.6%
—
▼ 0.7%
6-month growth
-93.7%
-30.6%
—
-4.9%
Global rank web
#1,700,092
#39,510
—
#217,191
Avg. last 3 months
13.9K
1.1M
—
225.2K
Bounce rate lower is better
39%
41%
—
44%
Pages / visit
1.8
4.4
—
2.2
Visit duration
14s
6m 40s
—
1m 04s
Traffic sources
—
● Direct 84% · ● Referral 15%
—
● Direct 76% · ● Referral 24%
Stack AIDifyLangdockLangflow
0368.2K736.4K1.1M1.5MStack 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 · 6.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K1K10K100K1M10MStack 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 · 6.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
Free tier
$590per month · free tier available
€25per month
Free
Free tier
–
Free trial
–
–
API access
Plans
—
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
—
Capabilities input → output
Input
DataDocumentsText
DocumentsText
CodeDocumentsText
Text
Output
Apps
Apps
CodeText
Apps
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Chatbots & CompanionsProductivity & OfficeAI AgentAI Chatbot+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
7
9
7
9
Agents
Workflows
Agent creation
No-code
–
Chatbots
–
Developer tools
–
–
LLM development
–
–
Development
–
–
APIs
–
–
Business automation
–
–
–
Process automation
–
–
–
Business productivity
–
–
–
Finance workflow automation
–
–
–
Productivity
–
–
–
Self hosted
–
–
–
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.