Voice Agents Agents

Voice-first AI agent platform that resolves customer service phone calls autonomously across industries like healthcare and retail.

Voice AI infrastructure platform offering low-latency conversational agents with telephony, ideal for production phone applications. Retell AI provides infrastructure for building voice AI agents with sub-second latency, robust interruption handling, and telephony integration.

Voice AI lab building expressive TTS models optimized for voice agents, with emphasis on natural conversational speech.

Voice agent capabilities of the Sierra customer support platform handling phone-based customer service for enterprise brands.

Voice AI platform offering Persona, a multimodal voice agent capable of natural emotional conversation for consumer and enterprise apps.

AI phone agent for restaurants that handles reservations, takeout orders, and customer questions with personality and brand voice. Slang AI is an AI phone agent purpose-built for restaurants, handling reservations, takeout orders, hours questions, and other common inquiries 24/7.

Speech AI company offering high-accuracy ASR with speaker tracking and a voice agent platform for low-latency conversational AI. Soniox is a speech AI company offering ASR, real-time streaming transcription with speaker tracking, and voice agent infrastructure.

AI English language tutor app with voice conversations powered by GPT-class models for spoken language practice.

Voice agent API from Speechmatics combining its industry-leading ASR with LLM and TTS for natural conversational AI.

AI-powered customer research platform that conducts user interviews via voice with AI moderators and synthesizes findings.

No-code platform for building enterprise-scale voice AI agents that handle phone calls for customer service, sales, and scheduling. Synthflow is a no-code voice AI platform for building and deploying phone agents at enterprise scale.

AI voice agent platform delivering conversational AI for customer support across industries with continual learning capabilities.

AI voice agent platform purpose-built for car dealerships that handles service appointments, sales inquiries, and customer calls.

AI roleplay platform for practicing difficult conversations like negotiations, performance reviews, and tough feedback.

Developer platform for building, deploying, and scaling voice AI agents with real-time conversation, function calling, and telephony. Vapi is a developer-focused platform for building production voice AI agents.

Open-source library for building real-time voice agents in Python and Node.js with telephony and provider-agnostic integrations.