LangChain vs Pipefy vs Haystack vs Stack AI

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

Your tool
LangChain
vs
Competitor 1
Pipefy
Competitor 2
Haystack
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Competitor Pipefy
pipefy.com
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor Stack AI
stack-ai.com
Connect AI models visually
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
2.7Mvisits/mo
—
6.3Kvisits/mo
MoM change
▲ 0.7%
▲ 13.8%
—
▼ 57.9%
6-month growth
+21.0%
+18.7%
—
-93.7%
Global rank web
#13,384
#17,377
—
#1,700,092
Avg. last 3 months
3.3M
2.6M
—
13.9K
Bounce rate lower is better
42%
45%
—
39%
Pages / visit
6.2
7.4
—
1.8
Visit duration
5m 29s
9m 54s
—
14s
Traffic sources
● Direct 73% · ● Referral 24%
● Direct 80% · ● Mail 13%
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—
LangChainPipefyHaystackStack AI
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MStack 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 · 6.3K1K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
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Freemium
Starting price
$39per month · free tier available
Free tier
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Free tier
Free tier
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Free trial
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API access
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
Starter FreeBusiness CustomEnterprise Custom
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Capabilities input → output
Input
CodeText
DataText
CodeDocuments
DataDocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
4
7
7
Agents
Agent creation
LLM development
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No-code
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Workflows
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Developer tools
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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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–
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Agent memory
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Agent testing
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Finance workflow automation
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 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.