Haystack vs Stack AI vs Langflow vs Pipefy

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

Your tool
Haystack
vs
Competitor 1
Stack AI
Competitor 2
Langflow
Competitor 3
Pipefy
Compare
4 tools · best value per row highlighted
Your tool 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 Stack AI
stack-ai.com
Connect AI models visually
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Competitor Langflow
langflow.org
Drag and drop AI
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Competitor Pipefy
pipefy.com
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Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
215.3Kvisits/mo
2.7Mvisits/mo
MoM change
—
▼ 57.9%
▼ 0.7%
▲ 13.8%
6-month growth
—
-93.7%
-4.9%
+18.7%
Global rank web
—
#1,700,092
#217,191
#17,377
Avg. last 3 months
—
13.9K
225.2K
2.6M
Bounce rate lower is better
—
39%
44%
45%
Pages / visit
—
1.8
2.2
7.4
Visit duration
—
14s
1m 04s
9m 54s
Traffic sources
—
—
● Direct 76% · ● Referral 24%
● Direct 80% · ● Mail 13%
HaystackStack AILangflowPipefy
0726.4K1.5M2.2M2.9MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7M1K10K100K1M10MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Free
Freemium
Starting price
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Free tier
Free
Free tier
Free tier
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Free trial
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–
–
API access
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–
Plans
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—
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Starter FreeBusiness CustomEnterprise Custom
Capabilities input → output
Input
CodeDocuments
DataDocumentsText
Text
DataText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
5
9
4
Agents
Agent creation
No-code
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Workflows
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LLM development
–
–
Developer tools
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–
Chatbots
–
–
–
Development
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–
–
APIs
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–
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Agent memory
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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
▲ 0
▲ 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.