Cartesia is a voice AI company that provides one API for speech generation, transcription and production voice agents fast enough for live conversation.
AI tools for voice agents
78 tools that do voice agents · best fit first, then monthly traffic · part of 3,707 live tools
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Murf AI is a voice platform that turns text into natural-sounding speech and also runs conversational voice agents.
Deepgram is a voice AI platform that exposes speech-to-text, text-to-speech and conversational agents through APIs.
NPCs that actually think
Design conversations visually
BlandAI gives you voice AI for phone calls at massive scale—without routing through OpenAI or Anthropic
PolyAI is an enterprise voice AI company whose Agentic Dialog Platform builds, runs and refines dialog agents for customer conversations.
Dapta provides conversational AI voice and text agents that automate sales and customer communication for small and mid-sized businesses.
Synthflow is an enterprise voice AI platform for automating phone calls with AI agents.
NiCE Cognigy, usually called Cognigy, is an enterprise conversational AI platform that deploys generative and agentic AI agents for customer service across voice, chat and messaging channels.
Regal is a voice AI agent platform that helps businesses build, improve and manage AI agents that speak with customers on the phone.
Agencies selling voice AI services to clients typically face a problem: they need to rebrand powerful tools like ElevenLabs or Vapi under their own name while maintaining billing control
Traditional chatbots can't pick up your phone and handle customer calls
Vocode is an open-source toolkit for building voice-based AI agents.
Voice agents that handle actual phone conversations
Babelbeez puts AI voice agents directly on websites to handle customer enquiries, support requests, and sales conversations through speech-to-speech interactions
Businesses drowning in support tickets or losing leads after hours need Splutter AI
AI voice agents that actually answer business phone calls, handling everything from qualifying leads to booking appointments without human intervention
Triviat is a customer-conversation service that deploys AI agents across text and voice.
gpt-realtime-2
Sub-second speech-to-text across 55+ languages with AI voice agents
Vozexo runs AI voice agents that pick up every phone call for service businesses
CloudTalk AI Voice Agents answer and make phone calls around the clock and sound natural doing it.