Stack AI vs Haystack vs Pipefy vs Langflow

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

Your tool
Stack AI
vs
Competitor 1
Haystack
Competitor 2
Pipefy
Competitor 3
Langflow
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor Pipefy
pipefy.com
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
2.7Mvisits/mo
215.3Kvisits/mo
MoM change
▼ 57.9%
—
▲ 13.8%
▼ 0.7%
6-month growth
-93.7%
—
+18.7%
-4.9%
Global rank web
#1,700,092
—
#17,377
#217,191
Avg. last 3 months
13.9K
—
2.6M
225.2K
Bounce rate lower is better
39%
—
45%
44%
Pages / visit
1.8
—
7.4
2.2
Visit duration
14s
—
9m 54s
1m 04s
Traffic sources
—
—
● Direct 80% · ● Mail 13%
● Direct 76% · ● Referral 24%
Stack AIHaystackPipefyLangflow
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 · 6.3KPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K1K10K100K1M10MStack 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 · 6.3KPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Free
Starting price
Free tier
—
Free tier
Free
Free tier
–
Free trial
–
–
–
API access
–
–
Plans
—
—
Starter FreeBusiness CustomEnterprise Custom
—
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
DataText
Text
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
5
4
9
Agents
Agent creation
No-code
–
Workflows
–
LLM development
–
–
Developer tools
–
–
Chatbots
–
–
–
Development
–
–
–
APIs
–
–
–
Agent memory
–
–
–
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.