Stack AI vs Flowise vs LangChain vs Dify

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
LangChain
Competitor 3
Dify
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Flowise
flowiseai.com
No-code AI workflows
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Competitor Dify
dify.ai
AI apps without code
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
168.3Kvisits/mo
3.4Mvisits/mo
1Mvisits/mo
MoM change
▼ 57.9%
▼ 27.6%
▲ 0.7%
▼ 16.6%
6-month growth
-93.7%
-14.1%
+21.0%
-30.6%
Global rank web
#1,700,092
#239,649
#13,384
#39,510
Avg. last 3 months
13.9K
203.8K
3.3M
1.1M
Bounce rate lower is better
39%
43%
42%
41%
Pages / visit
1.8
2.8
6.2
4.4
Visit duration
14s
1m 23s
5m 29s
6m 40s
Traffic sources
—
● Direct 79% · ● Referral 19%
● Direct 73% · ● Referral 24%
● Direct 84% · ● Referral 15%
Stack AIFlowiseLangChainDify
0850.7K1.7M2.6M3.4MStack 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 · 168.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1M1K10K100K1M10MStack 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 · 168.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
Free tier
$35per month · free tier available
$39per month · free tier available
$590per month · free tier available
Free tier
Free trial
–
–
–
API access
–
Plans
—
Free FreeStarter $35/moPro $65/mo
Developer FreePlus $39/moEnterprise Custom/mo
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Capabilities input → output
Input
DataDocumentsText
DocumentsText
CodeText
DocumentsText
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 AgentAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
3
3
6
9
Agents
Workflows
–
No-code
–
Agent creation
–
–
LLM development
–
–
Developer tools
–
–
Development
–
–
Chatbots
–
–
–
Agent testing
–
–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

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.