AI tools for voice

NPCs that actually think

Your voice, synthesized

Deepdub is an AI voice platform that began in dubbing and now also offers a production-grade voice API for AI agents.

Kokoro is an open-weight text-to-speech model with 82 million parameters.

Hume EVI, the Empathic Voice Interface, is a voice AI API for building agents that pick up on how a person sounds as well as what they say.

ElevenLabs API is a developer interface to the company's audio models.

OpenVoice is an open-source instant voice cloning model created by researchers at MIT and Tsinghua University together with MyShell.

The OpenAI Realtime API is a developer interface for building voice agents that listen and speak in real time.

Amazon Polly is a fully managed Amazon Web Services product that converts text into spoken audio on demand.

Google Cloud Text-to-Speech is an API that turns written text into natural-sounding speech using Google's AI speech synthesis research.

Adthos is an AI audio platform for creating, editing and publishing spoken content.

LiveKit Agents is an open source framework and cloud platform for building voice, video and physical AI agents and running them in production.

OpenAI TTS is the text-to-speech feature of the OpenAI Audio API, exposed through a speech endpoint that converts written text into lifelike spoken audio.

The Deepgram Voice Agent API is one real-time API that combines speech recognition, language model orchestration and speech synthesis, so developers do not have to stitch separate services together.

AudioStack is an agentic audio production platform for media and advertising.

ElevenLabs Conversational AI, now branded ElevenAgents, lets teams build, test and deploy voice and chat agents that handle customer conversations.

Piper is a fast, local neural text-to-speech engine that converts text into spoken audio on your own hardware, with no cloud service involved.