Langflow vs Weaviate vs pgvector

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

Your tool
Langflow
vs
Competitor 1
Weaviate
Competitor 2
pgvector
Competitor 3
Suggested competitors for Langflow: Flowise92% Dify88% LangChain85% Haystack82% Stack AI80% Rivet79% LLangdock77% MindStudio76%
Compare
3 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
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
215.3Kvisits/mo
154.2Kvisits/mo
—
MoM change
▼ 0.7%
▼ 11.8%
—
6-month growth
-4.9%
-7.0%
—
Global rank web
#217,191
#293,589
—
Avg. last 3 months
225.2K
155.7K
—
Bounce rate lower is better
44%
41%
—
Pages / visit
2.2
1.9
—
Visit duration
1m 04s
50s
—
Traffic sources
● Direct 76% · ● Referral 24%
● Direct 82% · ● Referral 18%
—
LangflowWeaviatepgvector
073.8K147.7K221.5K295.3KLangflow · 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 · 154.2K100K1MLangflow · 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 · 154.2KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Free
Starting price
Free
$45per month · free tier available
Free
Free tier
Free trial
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–
–
API access
–
Plans
—
Free FreeFlex $45/moPremium $0
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Capabilities input → output
Input
Text
DataImagesText
Data
Output
Apps
Data
Data
Skill level
Advanced
Advanced
Advanced
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
6
3
Vector databases
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Developer tools
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LLM development
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APIs
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Agents
–
–
No-code
–
–
Vector indexes
–
–
Agent creation
–
–
Chatbots
–
–
Databases
–
–
Development
–
–
PostgreSQL assistance
–
–
Workflows
–
–
Information retrieval
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.