- 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.
- 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.
- 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.
- 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.
Pay As You Go
custom
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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Editorial Note
This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.
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