Dify vs Langflow vs Weaviate vs Stack AI

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

Your tool
Dify
vs
Competitor 1
Langflow
Competitor 2
Weaviate
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Dify
dify.ai
AI apps without code
Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
215.3Kvisits/mo
154.2Kvisits/mo
6.3Kvisits/mo
MoM change
▼ 16.6%
▼ 0.7%
▼ 11.8%
▼ 57.9%
6-month growth
-30.6%
-4.9%
-7.0%
-93.7%
Global rank web
#39,510
#217,191
#293,589
#1,700,092
Avg. last 3 months
1.1M
225.2K
155.7K
13.9K
Bounce rate lower is better
41%
44%
41%
39%
Pages / visit
4.4
2.2
1.9
1.8
Visit duration
6m 40s
1m 04s
50s
14s
Traffic sources
● Direct 84% · ● Referral 15%
● Direct 76% · ● Referral 24%
● Direct 82% · ● Referral 18%
—
DifyLangflowWeaviateStack AI
0368.2K736.4K1.1M1.5MDify · 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 · 215.3KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KStack 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 · 6.3K1K10K100K1M10MDify · 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 · 215.3KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
$590per month · free tier available
Free
$45per month · free tier available
Free tier
Free tier
Free trial
–
–
–
API access
Plans
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
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Free FreeFlex $45/moPremium $0
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Capabilities input → output
Input
DocumentsText
Text
DataImagesText
DataDocumentsText
Output
Apps
Apps
Data
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
9
0
3
Agents
–
No-code
–
Workflows
–
Agent creation
–
–
Chatbots
–
–
Developer tools
–
–
LLM development
–
–
Development
–
–
APIs
–
–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
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.