Vocode vs Haystack vs Coze vs Vapi

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

Your tool
Vocode
vs
Competitor 1
Haystack
Competitor 2
Coze
Competitor 3
Vapi
Compare
4 tools · best value per row highlighted
Your tool Vocode
vocode.dev
Vocode is an open-source toolkit for building voice-based AI agents.
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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 Coze
coze.com
Coze is an AI app development platform for building agents without writing code and releasing them across multiple channels.
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Competitor 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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Traffic estimated monthly website traffic
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6-month growth
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Bounce rate lower is better
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Pricing
Model
Free
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Freemium
Starting price
Free
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$29per month
Free tier
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Free trial
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API access
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Plans
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No Success Package FreeCore $29/moPro $999/moPremier Custom
Capabilities input → output
Input
AudioText
CodeDocuments
Text
AudioText
Output
Audio
Apps
Apps
AppsAudio
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Business & MarketingDevelopment & CodeVoice & SpeechAI Call Center+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
7
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11
Agent creation
Developer tools
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Agents
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Voice agents
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APIs
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Call agents
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LLM development
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No-code
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RAG
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Call center automation
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Chatbot building
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Customer calls
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Customer support
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Workflows
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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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Chatbot integration
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Chatbots
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Self hosted
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Community on aitoolstime
Rating
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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.