Seed Audio is an AI text to speech and voice generator powered by ByteDance Seed Speech models and Seed Audio 1.0. It converts written scripts into natural, emotional speech and can clone a consented voice from just seconds of audio, enabling a consistent brand voice across every project.
What is Seed Audio?
Seed Audio is a hosted AI text to speech and voice generator that turns any text input into lifelike spoken audio. It supports dozens of languages and accents, and allows instant voice cloning from a short consented sample. Developed by ByteDance, the platform runs entirely in the cloud, requiring no local models or GPU setup.
Key Features
- Realistic text to speech – Generate speech with human-like emotion, emphasis, and pacing using Seed Audio 1.0 models.
- Instant voice cloning – Recreate a consented voice from under 2 minutes of audio; each clone stays private to your account.
- 300+ lifelike voices – Choose from a library covering dozens of languages and regional accents.
- Voice design controls – Adjust emotion, speed, and tone of any voice to match your script’s mood.
- Low-latency developer API – Stream speech via a simple REST API for apps, voice agents, and IVR systems.
- Commercial-ready output – Download high-quality audio with full commercial usage rights.
Who is it for?
- Content creators (video & podcasts) – Narrate YouTube videos, ads, and explainers without re-recording; regenerate single lines instantly when scripts change.
- App developers – Add spoken replies to assistants, games, and accessibility features using the fast API.
- Course teams – Clone one narrator and voice entire lesson catalogs with consistent warmth, cutting production time from days to hours.









