Stack AI vs Haystack vs Vana vs Pipecat

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
Vana
Competitor 3
Pipecat
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 Vana
vana.com
Your data sits locked in apps
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Competitor Pipecat
pipecat.ai
Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
10.6Kvisits/mo
—
MoM change
▼ 57.9%
—
▼ 7.4%
—
6-month growth
-93.7%
—
+8.0%
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Global rank web
#1,700,092
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#1,862,034
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Avg. last 3 months
13.9K
—
10.2K
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Bounce rate lower is better
39%
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34%
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Pages / visit
1.8
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2.4
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Visit duration
14s
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25s
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Traffic sources
—
—
—
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Stack AIHaystackVanaPipecat
042K84K126K167.9KStack 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 · 6.3KVana · 12.5KVana · 13.6KVana · 14.5KVana · 11.6KVana · 9.8KVana · 9.5KVana · 9KVana · 8.7KVana · 11.4KVana · 10.6K1K10K100K1MStack 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 · 6.3KVana · 12.5KVana · 13.6KVana · 14.5KVana · 11.6KVana · 9.8KVana · 9.5KVana · 9KVana · 8.7KVana · 11.4KVana · 10.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Free
Starting price
Free tier
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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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Open source Free
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
Data
AudioTextVideo
Output
Apps
Apps
Data
AudioText
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeResearch & AnalyticsAI Crypto & BlockchainAI Developer Tools
Development & CodeProductivity & OfficeVoice & SpeechAI Agent+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
5
0
9
Agents
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Agent creation
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Developer tools
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LLM development
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No-code
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Voice agents
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Workflows
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Voice
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Voice assistance
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Agent collaboration
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Agent memory
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Agent testing
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Call agents
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Finance workflow automation
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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.