Stack AI vs Haystack vs ChatBotKit 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
ChatBotKit
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 ChatBotKit
chatbotkit.com
ChatBotKit deploys your bot to WhatsApp and lets you spin up a custom agent with file-based task management and branded widgets
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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
—
35.4Kvisits/mo
476.6Kvisits/mo
MoM change
▼ 57.9%
—
▼ 12.0%
▼ 10.3%
6-month growth
-93.7%
—
-20.6%
-5.3%
Global rank web
#1,700,092
—
#829,241
#107,487
Avg. last 3 months
13.9K
—
42.7K
564.3K
Bounce rate lower is better
39%
—
40%
46%
Pages / visit
1.8
—
1.8
2.6
Visit duration
14s
—
10s
1m 32s
Traffic sources
—
—
—
● Direct 75% · ● Referral 23%
Stack AIHaystackChatBotKitCrewAI
0171.3K342.6K513.9K685.2KStack 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 · 6.3KChatBotKit · 37.5KChatBotKit · 41.5KChatBotKit · 42.7KChatBotKit · 34.7KChatBotKit · 44.6KChatBotKit · 77.7KChatBotKit · 58.9KChatBotKit · 52.3KChatBotKit · 40.2KChatBotKit · 35.4KCrewAI · 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 · 6.3KChatBotKit · 37.5KChatBotKit · 41.5KChatBotKit · 42.7KChatBotKit · 34.7KChatBotKit · 44.6KChatBotKit · 77.7KChatBotKit · 58.9KChatBotKit · 52.3KChatBotKit · 40.2KChatBotKit · 35.4KCrewAI · 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
—
$25per month · free tier available
Free
Free tier
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Free trial
–
–
API access
–
–
Plans
—
—
Basic $25/moPro $65/moScale $365/moEnterprise Custom
Basic FreeEnterprise $0
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
DocumentsTextWeb pages
Text
Output
Apps
Apps
Apps
AppsCode
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
7
8
9
Agents
Agent creation
No-code
–
–
Workflows
–
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Developer tools
–
–
Agent collaboration
–
–
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LLM development
–
–
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RAG
–
–
–
Agent management
–
–
–
Business automation
–
–
–
Chatbot building
–
–
–
Chatbots
–
–
–
Customer support
–
–
–
Process automation
–
–
–
Agent memory
–
–
–
Agent testing
–
–
–
Development
–
–
–
Discord bots
–
–
–
Finance workflow automation
–
–
–
MCP
–
–
–
On WhatsApp telegram
–
–
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Self hosted
–
–
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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.