Stack AI vs ChatNode vs Haystack vs Flowise

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

Your tool
Stack AI
vs
Competitor 1
ChatNode
Competitor 2
Haystack
Competitor 3
Flowise
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor ChatNode
chatnode.ai
ChatNode builds AI customer service agents that handle support queries and execute actions through API calls
Make main Remove
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 Flowise
flowiseai.com
No-code AI workflows
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
7.9Kvisits/mo
—
168.3Kvisits/mo
MoM change
▼ 57.9%
▼ 56.0%
—
▼ 27.6%
6-month growth
-93.7%
-13.9%
—
-14.1%
Global rank web
#1,700,092
#1,061,283
—
#239,649
Avg. last 3 months
13.9K
12.2K
—
203.8K
Bounce rate lower is better
39%
39%
—
43%
Pages / visit
1.8
4.9
—
2.8
Visit duration
14s
2m 20s
—
1m 23s
Traffic sources
—
● Direct 97% · ● Mail 3%
—
● Direct 79% · ● Referral 19%
Stack AIChatNodeHaystackFlowise
063.6K127.2K190.8K254.4KStack 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 · 6.3KChatNode · 11.7KChatNode · 6.7KChatNode · 10KChatNode · 9.2KChatNode · 4.6KChatNode · 10.4KChatNode · 10.6KChatNode · 18KChatNode · 7.9KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3K1K10K100K1MStack 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 · 6.3KChatNode · 11.7KChatNode · 6.7KChatNode · 10KChatNode · 9.2KChatNode · 4.6KChatNode · 10.4KChatNode · 10.6KChatNode · 18KChatNode · 7.9KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free Trial
—
Freemium
Starting price
Free tier
$35per month
—
$35per month · free tier available
Free tier
–
–
Free trial
–
–
API access
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Plans
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Lite $35/moStandard $89/moScale $377/moEnterprise Custom
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Free FreeStarter $35/moPro $65/mo
Capabilities input → output
Input
DataDocumentsText
DocumentsTextWeb pages
CodeDocuments
DocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
7
5
10
Agents
Agent creation
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No-code
–
–
Workflows
–
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Chatbots
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Chatbot building
–
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Chatbot integration
–
–
Customer support
–
–
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Customer support chatbot
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–
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LLM development
–
–
–
Agent collaboration
–
–
–
Developer tools
–
–
–
Website to chatbot
–
–
–
Agent memory
–
–
–
Development
–
–
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Finance workflow automation
–
–
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Workflow deployment
–
–
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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.