Stack AI vs Langdock vs LangChain vs CrewAI

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

Your tool
Stack AI
vs
Competitor 1
LLangdock
Competitor 2
LangChain
Competitor 3
CrewAI
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor LLangdock
langdock.com
Langdock is an AI adoption platform that puts chat, workflow automation, custom agents, integrations and an API in one workspace for an entire company.
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Competitor LangChain
langchain.com
Framework for building with large language models
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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.
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
3.4Mvisits/mo
476.6Kvisits/mo
MoM change
▼ 57.9%
—
▲ 0.7%
▼ 10.3%
6-month growth
-93.7%
—
+21.0%
-5.3%
Global rank web
#1,700,092
—
#13,384
#107,487
Avg. last 3 months
13.9K
—
3.3M
564.3K
Bounce rate lower is better
39%
—
42%
46%
Pages / visit
1.8
—
6.2
2.6
Visit duration
14s
—
5m 29s
1m 32s
Traffic sources
—
—
● Direct 73% · ● Referral 24%
● Direct 75% · ● Referral 23%
Stack AILangdockLangChainCrewAI
0850.7K1.7M2.6M3.4MStack 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 · 6.3KLangChain · 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 · 476.6K1K10K100K1M10MStack 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 · 6.3KLangChain · 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 · 476.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
Free tier
€25per month
$39per month · free tier available
Free
Free tier
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Free trial
–
–
API access
–
Plans
—
Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
Developer FreePlus $39/moEnterprise Custom/mo
Basic FreeEnterprise $0
Capabilities input → output
Input
DataDocumentsText
CodeDocumentsText
CodeText
Text
Output
Apps
CodeText
Apps
AppsCode
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsProductivity & OfficeAI AgentAI Chatbot+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
7
6
9
Agents
Agent creation
Workflows
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No-code
–
–
Developer tools
–
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Development
–
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Agent testing
–
–
Agent collaboration
–
–
–
LLM development
–
–
–
Agent management
–
–
–
Business automation
–
–
–
Chatbots
–
–
–
Process automation
–
–
–
APIs
–
–
–
Business productivity
–
–
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Finance workflow automation
–
–
–
Self hosted
–
–
–
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
–
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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.