Compare 12 options for tasks you use Deepgram for. Their feature coverage differs; check the summaries and plan details. Enterprise voice AI unifying speech-to-text, text-to-speech, and agents
| Tool | Pricing | Score | API | Ongoing free tier | Self-hosting |
|---|---|---|---|---|---|
| Deepgramthis one Enterprise voice AI unifying speech-to-text, text-to-speech, and agents | Freemium | 118 | Yes | Unknown | No |
| Voice.ai AI voice agents and audio tools for business and creators | Freemium | 5 | Yes | Unknown | Unknown |
| Meya Conversational AI platform for building enterprise chatbots | Freemium | 5 | Yes | Unknown | Unknown |
| ChatBotKit Infrastructure for building production-ready AI agents | Paid | 3 | Yes | Unknown | No |
| LiveKit Open-source framework for voice and video AI agents | Freemium | 109 | Yes | Yes | Yes |
| ChatOga AI chatbot built into your favorite messaging apps | Freemium | 1 | Unknown | Unknown | No |
| Inworld AI Real-time voice AI infrastructure for conversational applications | Contact | 17 | Yes | Unknown | No |
| Retell AI Build AI voice agents for phone conversations | Freemium | 74 | Yes | Yes | Yes |
| Chatty AI Converse with AI characters powered by retrieval-augmented generation | Freemium | 2 | Unknown | Unknown | No |
| Speak AI AI transcription and conversation analysis platform | Freemium | 0 | Yes | Unknown | No |
| Vapi Voice AI agents for enterprise customer conversations | Contact | 78 | Yes | No | No |
| Sierra Enterprise conversational AI agents for customer engagement | Contact | 58 | Unknown | Unknown | No |
| Cartesia Real-time voice AI for production applications | Freemium | 65 | Yes | Unknown | No |
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.
Meya is a chatbot development platform that lets teams build, deploy, and manage customer support applications without deep AI expertise. It combines visual workflow builders with Python and YAML scripting, integrates with messaging channels (WhatsApp, Facebook Messenger, Twilio), and connects to helpdesk systems like Zendesk and Salesforce. Teams use Meya to automate support requests, handle complex workflows, and scale conversations across multiple channels.
ChatBotKit is an AI agent infrastructure platform that lets developers build, deploy, and manage autonomous agents at scale. It supports multiple LLMs (OpenAI, Anthropic, Google, Meta), includes RAG and knowledge integration, and deploys across web, Slack, Discord, and other channels. Best for teams automating customer support, lead qualification, document processing, and multi-step workflows.
LiveKit is an infrastructure platform for building and deploying AI agents that interact through voice, video, and text. Developers can quickly assemble agents using Python or Node.js SDKs, integrating third-party models like OpenAI and Deepgram for intelligence. The platform handles real-time communication, automatic turn-taking, and conversation flow—reducing boilerplate so you focus on agent logic.
ChatOga brings AI assistance directly into your existing messaging apps—Telegram, WhatsApp, and Messenger. Rather than switching between apps, you can chat with an intelligent AI companion using your preferred messaging platform. Choose between a free tier with basic credits or upgrade to premium for unlimited access and advanced models like GPT-4.
Inworld AI is a platform for building voice-enabled conversational experiences at scale. It combines speech synthesis, speech recognition, voice cloning, and LLM orchestration into a unified API, eliminating the need to integrate multiple vendors. Developers can deploy interactive voice agents for customer support, entertainment, language learning, and AI companions.
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.
Chatty AI is a conversational platform featuring thousands of AI characters for dialogue across professional and entertainment contexts. It combines multiple large language models with RAG technology to enable context-aware responses for writing, tutoring, code analysis, and consultation. Works across mobile, tablet, and desktop with synchronized cloud storage.
Speak AI automatically captures, transcribes, and analyzes voice, video, and meeting recordings in 100+ languages with speaker identification. It extracts key themes, sentiment patterns, and custom insights from large conversation volumes, while supporting deployment of AI agents for customer interactions and support workflows. Built for research teams, sales operations, healthcare providers, and agencies processing high volumes of call data.
Vapi is an AI voice agent platform that automates customer support, sales, and appointment scheduling at enterprise scale. Built with integrations to leading AI models like OpenAI and Anthropic, and business tools like Salesforce and HubSpot, it handles high-volume conversations with real-time monitoring and compliance controls.
Sierra enables businesses to build and deploy intelligent AI agents that handle customer interactions across chat, SMS, WhatsApp, email, and voice. The platform combines agent-building tools like Ghostwriter with sophisticated analytics and monitoring capabilities. Sierra is designed for enterprises seeking to automate customer service while maintaining personalization and driving measurable business outcomes.
Cartesia provides the core infrastructure for building voice-driven systems—combining speech synthesis, speech recognition, and an agent framework. Built for production workloads, it enables enterprises to deploy voice applications for customer service, fraud detection, and real-time conversations that operate at scale.