Pipecat vs Haystack vs Stack AI

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

Your tool
Pipecat
vs
Competitor 1
Haystack
Competitor 2
Stack AI
Competitor 3
Suggested competitors for Pipecat: LiveKit Agents90% LangChain82% Amazon Bedrock AgentCore82% AutoGen82% Vocode81% OAOpenAI Agents SDK81% Semantic Kernel80% CrewAI80%
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3 tools · best value per row highlighted
Your tool 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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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 Stack AI
stack-ai.com
Connect AI models visually
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Traffic estimated monthly website traffic
Monthly visits
—
—
6.3Kvisits/mo
MoM change
—
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▼ 57.9%
6-month growth
—
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-93.7%
Global rank web
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#1,700,092
Avg. last 3 months
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13.9K
Bounce rate lower is better
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39%
Pages / visit
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1.8
Visit duration
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14s
Traffic sources
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PipecatHaystackStack AI
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 · 6.3K1K10K100K1MStack 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
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Freemium
Starting price
Free
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Free tier
Free tier
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Free trial
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API access
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–
Plans
Open source Free
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Capabilities input → output
Input
AudioTextVideo
CodeDocuments
DataDocumentsText
Output
AudioText
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeVoice & SpeechAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
9
5
5
Agents
Agent creation
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
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.