Langflow vs pgvector vs Haystack vs Langdock

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

Your tool
Langflow
vs
Competitor 1
pgvector
Competitor 2
Haystack
Competitor 3
LLangdock
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
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Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor LLangdock
langdock.com
Langdock is an AI adoption platform that puts chat, workflow automation, custom agents, integrations and an API in one workspace for an entire company.
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Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
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MoM change
▼ 0.7%
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6-month growth
-4.9%
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Global rank web
#217,191
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Avg. last 3 months
225.2K
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Bounce rate lower is better
44%
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Pages / visit
2.2
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Visit duration
1m 04s
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Traffic sources
● Direct 76% · ● Referral 24%
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LangflowpgvectorHaystackLangdock
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Free
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Freemium
Starting price
Free
Free
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€25per month
Free tier
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Free trial
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API access
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Plans
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Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
Capabilities input → output
Input
Text
Data
CodeDocuments
CodeDocumentsText
Output
Apps
Data
Apps
CodeText
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsProductivity & OfficeAI AgentAI Chatbot+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
7
7
7
Agents
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Agent creation
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Developer tools
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Self hosted
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LLM development
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Workflows
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Chatbots
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RAG
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APIs
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No-code
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Vector databases
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Vector indexes
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Development
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PostgreSQL assistance
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Agent memory
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Business productivity
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SQL
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 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.