Stack AI vs Haystack vs CrewAI vs Dify

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
CrewAI
Competitor 3
Dify
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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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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Competitor Dify
dify.ai
AI apps without code
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
476.6Kvisits/mo
1Mvisits/mo
MoM change
▼ 57.9%
—
▼ 10.3%
▼ 16.6%
6-month growth
-93.7%
—
-5.3%
-30.6%
Global rank web
#1,700,092
—
#107,487
#39,510
Avg. last 3 months
13.9K
—
564.3K
1.1M
Bounce rate lower is better
39%
—
46%
41%
Pages / visit
1.8
—
2.6
4.4
Visit duration
14s
—
1m 32s
6m 40s
Traffic sources
—
—
● Direct 75% · ● Referral 23%
● Direct 84% · ● Referral 15%
Stack AIHaystackCrewAIDify
0368.2K736.4K1.1M1.5MStack 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 · 6.3KCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1M1K10K100K1M10MStack 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 · 6.3KCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Free
Freemium
Starting price
Free tier
—
Free
$590per month · free tier available
Free tier
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Free trial
–
–
–
API access
–
Plans
—
—
Basic FreeEnterprise $0
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
Text
DocumentsText
Output
Apps
Apps
AppsCode
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
3
2
9
9
Agents
Agent creation
–
Workflows
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No-code
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Developer tools
–
–
Development
–
–
Agent collaboration
–
–
–
Agent management
–
–
–
Chatbots
–
–
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LLM development
–
–
–
Agent testing
–
–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.