Vapi vs Voiceflow
On the evidence we track, Voiceflow leads this comparison with a composite score of 81/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for voice ai agents. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Vapi
Managed platform enabling developers to build, deploy, and monitor voice agents without managing infrastructure. Provides conversation design tools, real-time integration with external data and APIs, and production monitoring.
Voiceflow
LeaderVoiceflow provides teams with visual tools to design and deploy AI agents that handle customer support conversations, integrate with existing business systems, and provide analytics on agent performance. Agents are built using workflows, language models, and custom integrations.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Vapi
Free tier ($5 credits) plus per-minute call costs. Paid tiers from $29/month (Core) to custom (Premier).
- FreeFree
- $5 free credits
- 2 organizations
- 1 included Vapi phone number
- 4 concurrent calls
- 14 days data retention
- +4 more
- Core$29/month
- 5 Vapi phone numbers
- 10 concurrent calls
- 30 days data retention
- ZDR included
- Email support
- +1 more
- Pro$999/month minimum
- 10 organizations
- 10 Vapi phone numbers
- 30 concurrent calls
- 180 days data retention
- RBAC and ZDR
- +3 more
- PremierContact sales
- Custom phone numbers, concurrency, and data retention
- Priority support with named team
- Agent Strategist and FDE advisor
- 1 hour P0 response SLA
- 99.9% uptime SLA
- +2 more
Voiceflow
LeaderFree trial for agencies with transparent usage-based billing; custom enterprise pricing available.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Twilio
- OpenAI
- Anthropic
Vapi
- Google Business Messages / RCS
- Groq
- Eleven Labs
- Google Cloud
- Azure
- Custom LLM providers
- Custom TTS providers
- Custom STT providers
- Webhook integrations
- REST API
- MCP (Model Context Protocol)
- Google Business Messages
- Vonage
- Telnyx
- ElevenLabs
- Deepgram
- Slack
Voiceflow
Leader- Zapier
- Shopify
- ChatGPT
- Telegram
- Alexa
- NetSuite
- Salesforce
- n8n
- Pinecone
- Google Calendar
- Zendesk
- OpenSearch
- HubSpot
- Airtable
- Google Sheets
- Gmail
Vapi or Voiceflow: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.