ByteDance· Seed / DoubaoNew model

From Speech to Audio Creation | Introducing the Seed Audio 1.0 Audio Creation Model

ByteDance announces Seed Audio 1.0, an audio creation model that generates speech, sound effects, ambience, and other scene-level audio elements within one unified framework. It supports 20+ languages, can generate up to two minutes of audio in a single pass, and offers prompt-level timing control at 100 ms intervals. The model is now available through BytePlus.

From the source

Seed Audio 1.0 is built around that unit of creation: the scene. It is an audio creation model that generates speech, sound effects, ambience, and other scene-level audio elements within one unified framework. ... Seed Audio 1.0 is now available through BytePlus.

seed.bytedance.com

Announced

19 Jul 2026 16:00 UTC