Langflow vs LangChain vs CrewAI vs Stack AI

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

Your tool
Langflow
vs
Competitor 1
LangChain
Competitor 2
CrewAI
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Competitor CrewAI
crewai.com
CrewAI is a multi-agent platform that covers the full agent lifecycle for businesses: discover what to automate, build agents, govern them in production and optimize them over time.
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
3.4Mvisits/mo
476.6Kvisits/mo
6.3Kvisits/mo
MoM change
▼ 0.7%
▲ 0.7%
▼ 10.3%
▼ 57.9%
6-month growth
-4.9%
+21.0%
-5.3%
-93.7%
Global rank web
#217,191
#13,384
#107,487
#1,700,092
Avg. last 3 months
225.2K
3.3M
564.3K
13.9K
Bounce rate lower is better
44%
42%
46%
39%
Pages / visit
2.2
6.2
2.6
1.8
Visit duration
1m 04s
5m 29s
1m 32s
14s
Traffic sources
● Direct 76% · ● Referral 24%
● Direct 73% · ● Referral 24%
● Direct 75% · ● Referral 23%
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LangflowLangChainCrewAIStack AI
0850.7K1.7M2.6M3.4MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KStack 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 · 6.3K1K10K100K1M10MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Free
Freemium
Starting price
Free
$39per month · free tier available
Free
Free tier
Free tier
Free trial
–
–
–
API access
–
Plans
—
Developer FreePlus $39/moEnterprise Custom/mo
Basic FreeEnterprise $0
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Capabilities input → output
Input
Text
CodeText
Text
DataDocumentsText
Output
Apps
Apps
AppsCode
Apps
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
6
9
3
Agents
Agent creation
–
No-code
–
Workflows
–
Developer tools
–
Development
–
LLM development
–
–
Agent testing
–
–
Agent collaboration
–
–
–
Agent management
–
–
–
Chatbots
–
–
–
APIs
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 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.