Stack AI vs Langflow vs LangChain vs Pipefy
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Stack AI
vs Stack AI
Competitor 1
Langflow
Langflow
Competitor 2
LangChain
LangChain
Competitor 3
Pipefy
PipefyCompare
4 tools · best value per row highlighted
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
215.3Kvisits/mo
3.4Mvisits/mo
2.7Mvisits/mo
MoM change
▼ 57.9%
▼ 0.7%
▲ 0.7%
▲ 13.8%
6-month growth
-93.7%
-4.9%
+21.0%
+18.7%
Global rank web
#1,700,092
#217,191
#13,384
#17,377
Avg. last 3 months
13.9K
225.2K
3.3M
2.6M
Bounce rate lower is better
39%
44%
42%
45%
Pages / visit
1.8
2.2
6.2
7.4
Visit duration
14s
1m 04s
5m 29s
9m 54s
Traffic sources
—
● Direct 76% · ● Referral 24%
● Direct 73% · ● Referral 24%
● Direct 80% · ● Mail 13%
Stack AILangflowLangChainPipefy
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
Free tier
Free
$39per month · free tier available
Free tier
Free tier
Free trial
–
–
–
API access
–
–
Plans
—
—
Developer FreePlus $39/moEnterprise Custom/mo
Starter FreeBusiness CustomEnterprise Custom
Capabilities input → output
Input
DataDocumentsText
Text
CodeText
DataText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 2 shared · core partial
Tasks covered
7
9
6
4
Agents
Agent creation
No-code
–
Workflows
–
LLM development
–
–
Developer tools
–
–
Development
–
–
Business automation
–
–
–
Chatbots
–
–
–
Process automation
–
–
–
APIs
–
–
–
Agent testing
–
–
–
Finance workflow automation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 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.