Stack AI vs Haystack vs Kilo Code 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
Haystack
Competitor 2
Kilo Code
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 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 Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
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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
—
1.9Kvisits/mo
476.6Kvisits/mo
MoM change
▼ 57.9%
—
▼ 42.3%
▼ 10.3%
6-month growth
-93.7%
—
-94.4%
-5.3%
Global rank web
#1,700,092
—
#4,668,091
#107,487
Avg. last 3 months
13.9K
—
10.5K
564.3K
Bounce rate lower is better
39%
—
34%
46%
Pages / visit
1.8
—
2.4
2.6
Visit duration
14s
—
19s
1m 32s
Traffic sources
—
—
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● Direct 75% · ● Referral 23%
Stack AIHaystackKilo CodeCrewAI
0186.2K372.3K558.5K744.7KStack 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 · 6.3KKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6K1K10K100K1MStack 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 · 6.3KKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Free
Starting price
Free tier
—
$20per month · free tier available
Free
Free tier
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Free trial
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–
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API access
–
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Plans
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—
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Basic FreeEnterprise $0
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
CodeText
Text
Output
Apps
Apps
Code
AppsCode
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
7
5
9
Agents
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Agent creation
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No-code
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Workflows
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Developer tools
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Development
–
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Agent collaboration
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–
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Coding
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LLM development
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–
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RAG
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–
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Agent management
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–
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Business automation
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–
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Coding in VS Code
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–
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Process automation
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–
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Agent memory
–
–
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Agent testing
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Code analysis
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Finance workflow automation
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Self hosted
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Vs code
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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.