Dify vs Langflow vs Weaviate vs pgvector
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Dify
vs
Dify
Competitor 1
Langflow
Langflow
Competitor 2
Weaviate
Weaviate
Competitor 3
pgvector
pgvectorCompare
4 tools · best value per row highlighted
Competitor
pgvector
pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
215.3Kvisits/mo
154.2Kvisits/mo
—
MoM change
▼ 16.6%
▼ 0.7%
▼ 11.8%
—
6-month growth
-30.6%
-4.9%
-7.0%
—
Global rank web
#39,510
#217,191
#293,589
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Avg. last 3 months
1.1M
225.2K
155.7K
—
Bounce rate lower is better
41%
44%
41%
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Pages / visit
4.4
2.2
1.9
—
Visit duration
6m 40s
1m 04s
50s
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Traffic sources
● Direct 84% · ● Referral 15%
● Direct 76% · ● Referral 24%
● Direct 82% · ● Referral 18%
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DifyLangflowWeaviatepgvector
Pricing
Model
Freemium
Free
Freemium
Free
Starting price
$590per month · free tier available
Free
$45per month · free tier available
Free
Free tier
Free trial
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–
–
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API access
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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
Data
Output
Apps
Apps
Data
Data
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
9
6
7
Developer tools
LLM development
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Agents
–
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No-code
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Vector databases
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Agent creation
–
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Workflows
–
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Chatbots
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Development
–
–
APIs
–
–
Vector indexes
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–
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Databases
–
–
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PostgreSQL assistance
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–
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Information retrieval
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–
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Productivity
–
–
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RAG
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SQL
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–
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Self hosted
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–
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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
–
–
–
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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.