Voice AI companies

Bland builds an enterprise voice AI platform that automates phone calls with human-sounding AI agents, featuring low-latency real-time processing and native sup…

Cartesia builds real-time voice AI models, including text-to-speech and speech-to-text systems, based on State Space Model research from Stanford's AI Lab.

ElevenLabs is an AI audio company building speech synthesis, voice agents, and content localization technology supporting over 70 languages.

Retell AI builds an AI voice agent platform that automates phone interactions for businesses, handling tasks like customer support, scheduling, and dispatch ser…

Vapi is a developer platform and API for building voice AI agents, combining speech-to-text, large language models, and text-to-speech into a unified system.

LiveKit is an open source developer platform for building real-time voice, video, and physical AI agent applications, serving over 200,000 developers and poweri…

Deepgram is a research-driven AI company building voice-native foundation models for speech recognition and natural language processing.

Decagon builds a conversational AI platform that enables brands to automate and scale customer support, onboarding, and retention across chat, email, and voice.

Synthesia is an AI video platform that lets businesses create professional videos using AI-generated presenters, scripts, and synthetic voices for training and…

David AI is a San Francisco-based audio data research company that builds high-quality training datasets for audio AI applications like speech recognition and c…

Mirage builds generative AI foundation models that transform voice and language into photorealistic short-form video.

Hello Patient builds AI agents that handle patient conversations across voice, text, and web chat to reduce administrative overhead for healthcare providers.