Stack AI vs Langflow vs ChatNode vs Haystack

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

Your tool
Stack AI
vs
Competitor 1
Langflow
Competitor 2
ChatNode
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool 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 ChatNode
chatnode.ai
ChatNode builds AI customer service agents that handle support queries and execute actions through API calls
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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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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
215.3Kvisits/mo
7.9Kvisits/mo
—
MoM change
▼ 57.9%
▼ 0.7%
▼ 56.0%
—
6-month growth
-93.7%
-4.9%
-13.9%
—
Global rank web
#1,700,092
#217,191
#1,061,283
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Avg. last 3 months
13.9K
225.2K
12.2K
—
Bounce rate lower is better
39%
44%
39%
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Pages / visit
1.8
2.2
4.9
—
Visit duration
14s
1m 04s
2m 20s
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Traffic sources
—
● Direct 76% · ● Referral 24%
● Direct 97% · ● Mail 3%
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Stack AILangflowChatNodeHaystack
073.8K147.7K221.5K295.3KStack 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 · 215.3KChatNode · 11.7KChatNode · 6.7KChatNode · 10KChatNode · 9.2KChatNode · 4.6KChatNode · 10.4KChatNode · 10.6KChatNode · 18KChatNode · 7.9K1K10K100K1MStack 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 · 215.3KChatNode · 11.7KChatNode · 6.7KChatNode · 10KChatNode · 9.2KChatNode · 4.6KChatNode · 10.4KChatNode · 10.6KChatNode · 18KChatNode · 7.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Free Trial
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Starting price
Free tier
Free
$35per month
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Free tier
–
–
Free trial
–
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API access
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Plans
—
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Lite $35/moStandard $89/moScale $377/moEnterprise Custom
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Capabilities input → output
Input
DataDocumentsText
Text
DocumentsTextWeb pages
CodeDocuments
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
9
9
7
Agents
Agent creation
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No-code
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LLM development
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Workflows
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Chatbots
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Developer tools
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Customer support
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–
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Customer support chatbot
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–
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RAG
–
–
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Business automation
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–
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Customer support automation
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–
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Development
–
–
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Knowledge bases
–
–
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Process automation
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–
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Website to chatbot
–
–
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APIs
–
–
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Agent memory
–
–
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Chatbot building
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–
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Chatbot integration
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Finance workflow automation
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–
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Self hosted
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
0
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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.