Haystack vs Stack AI vs Langdock vs Langflow
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Haystack
vs
Haystack
Competitor 1
Stack AI
Stack AI
Competitor 2
LLangdock
Competitor 3
Langflow
LangflowCompare
4 tools · best value per row highlighted
Your tool
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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.
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
—
215.3Kvisits/mo
MoM change
—
▼ 57.9%
—
▼ 0.7%
6-month growth
—
-93.7%
—
-4.9%
Global rank web
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#1,700,092
—
#217,191
Avg. last 3 months
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13.9K
—
225.2K
Bounce rate lower is better
—
39%
—
44%
Pages / visit
—
1.8
—
2.2
Visit duration
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14s
—
1m 04s
Traffic sources
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—
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● Direct 76% · ● Referral 24%
HaystackStack AILangdockLangflow
Pricing
Model
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Freemium
Freemium
Free
Starting price
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Free tier
€25per month
Free
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
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Capabilities input → output
Input
CodeDocuments
DataDocumentsText
CodeDocumentsText
Text
Output
Apps
Apps
CodeText
Apps
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Tasks what each tool can do · 2 shared · core partial
Tasks covered
7
7
7
9
Agents
Agent creation
Workflows
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No-code
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LLM development
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Chatbots
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–
Developer tools
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–
APIs
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Self hosted
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RAG
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–
–
Business automation
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–
–
Development
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–
–
Process automation
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–
–
Agent memory
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–
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Business productivity
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–
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Finance workflow automation
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–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
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▲ 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.