Vapi vs Haystack vs Vocode

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

Your tool
Vapi
vs
Competitor 1
Haystack
Competitor 2
Vocode
Competitor 3
Suggested competitors for Vapi: Synthflow93% Retell AI93% ElevenLabs Conversational AI91% PolyAI86% VVoicePod85% Goodcall85% BlandAI84% Regal84%
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3 tools · best value per row highlighted
Your tool Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
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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 Vocode
vocode.dev
Vocode is an open-source toolkit for building voice-based AI agents.
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Traffic estimated monthly website traffic
Monthly visits
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MoM change
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6-month growth
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Global rank web
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Avg. last 3 months
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Bounce rate lower is better
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Pages / visit
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Visit duration
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Traffic sources
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Pricing
Model
Freemium
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Free
Starting price
$29per month
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Free
Free tier
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Free trial
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API access
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Plans
No Success Package FreeCore $29/moPro $999/moPremier Custom
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Capabilities input → output
Input
AudioText
CodeDocuments
AudioText
Output
AppsAudio
Apps
Audio
Skill level
Advanced
Advanced
Advanced
Categories
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Business & MarketingDevelopment & CodeVoice & SpeechAI Call Center+2 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
11
7
5
Agent creation
Developer tools
Voice agents
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APIs
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Call agents
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Agents
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LLM development
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RAG
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Call center automation
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Customer calls
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Customer support
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Agent memory
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Agent testing
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Call answering
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Calls
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
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Reviews
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Prompts
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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.