Stack AI vs CrewAI vs Haystack vs Anyscale

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

Your tool
Stack AI
vs
Competitor 1
CrewAI
Competitor 2
Haystack
Competitor 3
Anyscale
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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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 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 Anyscale
anyscale.com
Scale AI effortlessly
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
476.6Kvisits/mo
—
79.1Kvisits/mo
MoM change
▼ 57.9%
▼ 10.3%
—
▼ 25.4%
6-month growth
-93.7%
-5.3%
—
-21.0%
Global rank web
#1,700,092
#107,487
—
#330,039
Avg. last 3 months
13.9K
564.3K
—
90.4K
Bounce rate lower is better
39%
46%
—
42%
Pages / visit
1.8
2.6
—
3.3
Visit duration
14s
1m 32s
—
1m 53s
Traffic sources
—
● Direct 75% · ● Referral 23%
—
● Direct 81% · ● Referral 15%
Stack AICrewAIHaystackAnyscale
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 · 6.3KCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KAnyscale · 98.7KAnyscale · 93.3KAnyscale · 86.3KAnyscale · 89.2KAnyscale · 100.1KAnyscale · 67.9KAnyscale · 72KAnyscale · 86KAnyscale · 106.1KAnyscale · 79.1K1K10K100K1MStack 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 · 476.6KAnyscale · 98.7KAnyscale · 93.3KAnyscale · 86.3KAnyscale · 89.2KAnyscale · 100.1KAnyscale · 67.9KAnyscale · 72KAnyscale · 86KAnyscale · 106.1KAnyscale · 79.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
—
Freemium
Starting price
Free tier
Free
—
—
Free tier
–
–
Free trial
–
–
API access
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Plans
—
Basic FreeEnterprise $0
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Free Trial FreePay-as-you-go Custom/moCommitted Custom/mo
Capabilities input → output
Input
DataDocumentsText
Text
CodeDocuments
CodeData
Output
Apps
AppsCode
Apps
Data
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI APIAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
9
5
5
Agents
–
Agent creation
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No-code
–
–
Workflows
–
–
Developer tools
–
–
LLM development
–
–
Development
–
–
Agent collaboration
–
–
–
GPU infrastructure
–
–
–
Model training
–
–
–
Agent management
–
–
–
Cloud computing
–
–
–
Agent memory
–
–
–
Agent testing
–
–
–
Finance workflow automation
–
–
–
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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–
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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.