Weaviate vs Langflow vs Dify vs pgvector

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

Your tool
Weaviate
vs
Competitor 1
Langflow
Competitor 2
Dify
Competitor 3
pgvector
Compare
4 tools · best value per row highlighted
Your tool Weaviate
weaviate.io
Search that understands meaning
Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor Dify
dify.ai
AI apps without code
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
154.2Kvisits/mo
215.3Kvisits/mo
1Mvisits/mo
—
MoM change
▼ 11.8%
▼ 0.7%
▼ 16.6%
—
6-month growth
-7.0%
-4.9%
-30.6%
—
Global rank web
#293,589
#217,191
#39,510
—
Avg. last 3 months
155.7K
225.2K
1.1M
—
Bounce rate lower is better
41%
44%
41%
—
Pages / visit
1.9
2.2
4.4
—
Visit duration
50s
1m 04s
6m 40s
—
Traffic sources
● Direct 82% · ● Referral 18%
● Direct 76% · ● Referral 24%
● Direct 84% · ● Referral 15%
—
WeaviateLangflowDifypgvector
0368.2K736.4K1.1M1.5MWeaviate · 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 · 215.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1M100K1M10MWeaviate · 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 · 215.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Free
Starting price
$45per month · free tier available
Free
$590per month · free tier available
Free
Free tier
Free trial
–
–
–
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API access
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Plans
Free FreeFlex $45/moPremium $0
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Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
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Capabilities input → output
Input
DataImagesText
Text
DocumentsText
Data
Output
Data
Apps
Apps
Data
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Development & CodeAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
9
9
3
Developer tools
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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
–
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APIs
–
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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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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.