CrewAI vs Stack AI vs Appian vs Haystack

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

Your tool
CrewAI
vs
Competitor 1
Stack AI
Competitor 2
Appian
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool 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.
Competitor Stack AI
stack-ai.com
Connect AI models visually
Competitor Appian
appian.com
Appian is an enterprise platform for process automation that orchestrates AI agents, existing systems and people from one place.
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Traffic estimated monthly website traffic
Monthly visits
476.6Kvisits/mo
6.3Kvisits/mo
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MoM change
▼ 10.3%
▼ 57.9%
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6-month growth
-5.3%
-93.7%
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Global rank web
#107,487
#1,700,092
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Avg. last 3 months
564.3K
13.9K
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Bounce rate lower is better
46%
39%
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Pages / visit
2.6
1.8
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Visit duration
1m 32s
14s
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Traffic sources
● Direct 75% · ● Referral 23%
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CrewAIStack AIAppianHaystack
0171.3K342.6K513.9K685.2KCrewAI · 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 · 6.3K1K10K100K1MCrewAI · 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
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Starting price
Free
Free tier
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Free tier
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Free trial
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API access
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Plans
Basic FreeEnterprise $0
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Capabilities input → output
Input
Text
DataDocumentsText
DataDocumentsText
CodeDocuments
Output
AppsCode
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
5
5
5
Agents
Agent creation
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No-code
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Workflows
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Developer tools
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Finance workflow automation
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Agent collaboration
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LLM development
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Process automation
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Agent management
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Agent memory
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Agent testing
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Development
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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
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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.