Vapi AI
Last Updated on: Nov 16, 2025
Vapi AI
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AI Voice Assistants
AI Speech Recognition
Text-to-Speech
AI Speech Synthesis
AI Chatbot
AI Assistant
AI Developer Tools
AI Agents
AI Communication Assistant
AI Customer Service Assistant
AI Workflow Management
AI Project Management
AI API Design
AI DevOps Assistant
AI Voice Chat Generator
AI Consulting Assistant
AI Productivity Tools
What is Vapi AI?
Vapi.ai is an advanced developer-focused platform that enables the creation of AI-driven voice and conversational applications. It provides APIs and tools to build intelligent voice agents, handle real-time conversations, and integrate speech recognition, text-to-speech, and natural language processing into apps and services effortlessly.
Who can use Vapi AI & how?
  • Developers & AI Engineers: Build custom voice assistants, conversational bots, and telephony integrations.
  • Startups & Tech Teams: Launch AI-powered products with minimal backend setup.
  • Enterprises & Businesses: Automate call handling, customer support, and workflow processes.
  • Product Managers & UX Designers: Add interactive voice features to enhance user experience.
  • Operations & Support Teams: Offload routine tasks with intelligent conversational agents.
  • Global Organizations: Use multilingual voice agents for international audiences.

How to Use Vapi.ai?
  • Sign Up & Configure Agent: Create an account and set up your first voice assistant.
  • Select Components: Choose or integrate your preferred speech-to-text, LLM, and text-to-speech models.
  • Design Conversations: Set up prompts, branching logic, and tool calls using the platform’s Flow Studio.
  • Integrate Telephony & Web: Connect phone numbers or embed the agent in web and app interfaces.
  • Add APIs & Tools: Enable the agent to call backend services or fetch data dynamically.
  • Test & Optimize: Run simulations, refine prompts, and improve conversation flows before deployment.
  • Deploy & Scale: Launch agents at scale with enterprise-level reliability and low latency.
What's so unique or special about Vapi AI?
  • Modular Architecture: Swap or integrate your preferred STT, LLM, and TTS models.
  • Real-Time, Low-Latency Conversations: Optimized for fast and natural voice interactions.
  • Assistant & Squad Orchestration: Use single agents or multiple orchestrated agents for complex workflows.
  • Multilingual & Telephony Support: Supports 100+ languages and various telephony providers.
  • Tool Calling & API Integration: Agents can interact with APIs and perform actions during calls.
  • Enterprise-Grade Security: Designed for reliability with compliance and guardrails.
Things We Like
  • High customization and flexibility for developers.
  • Low-latency voice responses for real-time interactions.
  • Ability to integrate multiple AI models and backend tools.
  • Supports multilingual voice agents for global reach.
  • Scalable for startups and enterprise applications.
Things We Don't Like
  • Requires technical knowledge to fully utilize advanced features.
  • Pricing can be complex due to multiple service layers (STT, LLM, TTS, telephony).
  • GUI-based testing is limited compared to API control.
  • Onboarding curve may be steep for non-technical users.
  • Hidden costs for high usage or additional services.
Photos & Videos
Screenshot 1
Pricing
Paid

Pay As You Go

custom

Call Minutes - Usage based
Call Concurrency - 10 included + $10 / line / mo
Vapi Hosting Cost
Calls - $0.05 / min
SMS/Chat - $0.005 / msg
Data Retention
Call history - 14 days
Chat history - 30 days

Enterprise

custom

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Rating Distribution

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Popular Mention

FAQs

Vapi.ai is a platform for building and deploying AI-powered voice agents and conversational applications.
No, you can use Vapi.ai’s built-in models or bring your own STT, LLM, and TTS models.
Assistants are single voice agents, while Squads are multiple orchestrated agents for complex workflows.
The platform is optimized for low-latency responses, often under 600 ms per interaction.
Yes, Vapi.ai agents can fetch data, call backend services, and perform dynamic actions mid-conversation.

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