Compare 12 options for tasks you use Vapi for. Their feature coverage differs; check the summaries and plan details. Voice AI agents for enterprise customer conversations
| Tool | Pricing | Score | API | Ongoing free tier | Self-hosting |
|---|---|---|---|---|---|
| Vapithis one Voice AI agents for enterprise customer conversations | Contact | 78 | Yes | No | No |
| OneAI AI phone agent platform for automated sales and customer service | Contact | 1 | Yes | Unknown | No |
| Voice.ai AI voice agents and audio tools for business and creators | Freemium | 5 | Yes | Unknown | Unknown |
| Twig AI AI front desk agent handling customer calls and messages 24/7 | Freemium | 0 | Unknown | Unknown | No |
| Yobi AI agents that handle calls, texts, and appointments for your business | Paid | 14 | Unknown | Unknown | No |
| Chatbase Deploy AI agents for customer conversations | Freemium | 7 | Yes | Unknown | No |
| Dasha Voice AI for handling customer calls at scale | Freemium | 0 | Yes | Unknown | No |
| Tavus AI video agents that see, hear, and emotionally understand | Freemium | 4 | Yes | No | No |
| AVA Open-source AI voice agent for Asterisk phone systems | Free | 7 | Yes | Yes | Yes |
| ConvoStack AI voice agents that handle business calls end-to-end | Contact | 12 | Yes | Unknown | No |
| Retell AI Build AI voice agents for phone conversations | Freemium | 74 | Yes | Yes | Yes |
| DialogAI AI-powered WhatsApp chatbot for instant customer support | Freemium | 6 | Yes | Unknown | No |
| ChatLab No-code AI agents for 24/7 customer support | Freemium | 0 | Unknown | Unknown | No |
OneAI automates phone-based business communications with AI agents that handle outbound prospecting, inbound support, and meeting scheduling at scale. The platform integrates with major CRMs to qualify leads, warm-transfer prospects to sales teams, and optimize calling campaigns through continuous testing. Built for sales teams and contact centers seeking improved efficiency and lead contact rates.
Voice.ai is a platform for creating AI-powered voice agents that automate customer calls, combined with text-to-speech, voice cloning, and voice-changing capabilities. Designed for businesses automating support interactions and content creators producing audio content. The platform supports 15+ languages with enterprise-grade security including GDPR and HIPAA compliance.
Twig AI's Sera is an AI-powered front desk agent that handles customer interactions across voice, email, chat, SMS, and WhatsApp. It books appointments, answers questions, qualifies leads, and routes complex issues to your team. The platform integrates with 30+ business tools including Salesforce, HubSpot, and Zendesk.
Yobi deploys autonomous AI agents to manage customer communications across calls, SMS, social media, and web chat. It schedules appointments, updates records in CRM systems automatically, and routes complex issues to human staff when needed. Built for healthcare, hospitality, and professional services.
Chatbase enables teams to build conversational AI agents that handle customer interactions across multiple channels—chat, email, voice, WhatsApp, and Slack—without writing code. The platform guides users through connecting their own data and knowledge sources, then deploying agents that can resolve support inquiries, manage sales conversations, and handle routine tasks. Built for businesses that want to scale customer engagement without technical expertise.
Dasha is a platform for developers to build conversational voice AI agents that handle phone calls automatically. It supports 30+ languages with sub-second response times and works with any LLM—Claude, GPT, Gemini, or your own. Ideal for customer service, sales, and automated calling workflows.
Tavus creates conversational video AI agents that interact face-to-face with real-time emotion perception. It uses proprietary models to render realistic facial expressions, detect emotional nuance, and maintain natural conversational flow. Built for sales, support, HR, and healthcare workflows.
AVA brings AI-powered voice automation to Asterisk and FreePBX, letting businesses handle inbound calls with natural language conversations. Deploy with your choice of speech-to-text and AI providers, or run everything locally on your infrastructure for complete privacy. Designed for telecom engineers and system administrators who need flexible, vendor-independent voice agents.
ConvoStack is a voice agent platform that automates inbound call handling for businesses. It uses conversational AI to answer calls, understand caller intent, collect information, and route complex issues to human agents with full context preserved. Built for customer support, lead qualification, scheduling, and after-hours coverage without human availability gaps.
Retell automates inbound and outbound phone conversations with AI agents that sound natural and human-like. Handle appointment booking, customer service, lead qualification, and more. Deploy on Twilio or Vonage infrastructure, or on your own servers for enterprise security.
DialogAI is an AI chatbot platform designed specifically for WhatsApp that enables businesses to automate customer conversations. It uses artificial intelligence to understand messages and respond intelligently, allowing teams to handle inquiries at scale without manual intervention.
ChatLab is a no-code AI platform that deploys intelligent conversational agents to handle customer support and sales without technical setup. It supports multiple channels including chat, email, voice, and WhatsApp, allowing businesses to automate interactions at scale. The agents train automatically on your website content and can hand off to humans when needed.