Langflow vs Haystack vs Stack AI vs ChatNode
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Langflow
vs
Langflow
Competitor 1
Haystack
Haystack
Competitor 2
Stack AI
Stack AI
Competitor 3
ChatNode
ChatNodeCompare
4 tools · best value per row highlighted
Competitor
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor
ChatNode
ChatNode
chatnode.ai
ChatNode builds AI customer service agents that handle support queries and execute actions through API calls
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
—
6.3Kvisits/mo
7.9Kvisits/mo
MoM change
▼ 0.7%
—
▼ 57.9%
▼ 56.0%
6-month growth
-4.9%
—
-93.7%
-13.9%
Global rank web
#217,191
—
#1,700,092
#1,061,283
Avg. last 3 months
225.2K
—
13.9K
12.2K
Bounce rate lower is better
44%
—
39%
39%
Pages / visit
2.2
—
1.8
4.9
Visit duration
1m 04s
—
14s
2m 20s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
● Direct 97% · ● Mail 3%
LangflowHaystackStack AIChatNode
Pricing
Model
Free
—
Freemium
Free Trial
Starting price
Free
—
Free tier
$35per month
Free tier
–
–
Free trial
–
–
API access
–
Plans
—
—
—
Lite $35/moStandard $89/moScale $377/moEnterprise Custom
Capabilities input → output
Input
Text
CodeDocuments
DataDocumentsText
DocumentsTextWeb pages
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
5
5
7
Agents
Agent creation
–
No-code
–
–
LLM development
–
–
Workflows
–
–
Chatbots
–
–
Developer tools
–
–
Customer support
–
–
–
Customer support chatbot
–
–
–
Development
–
–
–
Website to chatbot
–
–
–
APIs
–
–
–
Agent memory
–
–
–
Chatbot building
–
–
–
Chatbot integration
–
–
–
Finance workflow automation
–
–
–
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
–
–
–
–
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.