Dify vs Weaviate vs Langflow vs pgvector

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

Your tool
Dify
vs
Competitor 1
Weaviate
Competitor 2
Langflow
Competitor 3
pgvector
Compare
4 tools · best value per row highlighted
Your tool Dify
dify.ai
AI apps without code
Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
154.2Kvisits/mo
215.3Kvisits/mo
—
MoM change
▼ 16.6%
▼ 11.8%
▼ 0.7%
—
6-month growth
-30.6%
-7.0%
-4.9%
—
Global rank web
#39,510
#293,589
#217,191
—
Avg. last 3 months
1.1M
155.7K
225.2K
—
Bounce rate lower is better
41%
41%
44%
—
Pages / visit
4.4
1.9
2.2
—
Visit duration
6m 40s
50s
1m 04s
—
Traffic sources
● Direct 84% · ● Referral 15%
● Direct 82% · ● Referral 18%
● Direct 76% · ● Referral 24%
—
DifyWeaviateLangflowpgvector
0368.2K736.4K1.1M1.5MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K100K1M10MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Free
Starting price
$590per month · free tier available
$45per month · free tier available
Free
Free
Free tier
Free trial
–
–
–
–
API access
–
Plans
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Free FreeFlex $45/moPremium $0
—
—
Capabilities input → output
Input
DocumentsText
DataImagesText
Text
Data
Output
Apps
Data
Apps
Data
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Development & CodeAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
6
9
7
Developer tools
LLM development
–
Agents
–
–
No-code
–
–
Vector databases
–
–
Agent creation
–
–
Workflows
–
–
Chatbots
–
–
Development
–
–
APIs
–
–
Vector indexes
–
–
–
Databases
–
–
–
PostgreSQL assistance
–
–
–
Information retrieval
–
–
–
Productivity
–
–
–
RAG
–
–
–
SQL
–
–
–
Self hosted
–
–
–
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.