Understand this story
The English summary is being updated. See the reporting timeline below.
Latest development · Report
Hugging Face releases on-device speech model Phonon, with the 31m version open-sourced under Apache 2.0Developments
1 confirmed developments
- Source:Hugging Face
Reports and discussion timeline
Browse reports and discussion by time. Their evidence levels remain distinct.
Nov 5
Hugging FaceFirst-party
Hugging Face releases on-device speech model Phonon, with the 31m version open-sourced under Apache 2.0
Hugging Face has released the on-device TTS model Phonon, offering two sizes of approximately 65 MB and 75 MB, covering English, French, German, Spanish, and Portuguese, with more than 100 built-in voices. Among them, Phonon 31m supports only English and is open-sourced under Apache 2.0, allowing use in commercial products; Phonon 40m covers five languages but uses a non-commercial license. The company states that it ranks first in German and Spanish intelligibility on the Open TTS Leaderboard and leads in the CPU streaming first-packet latency benchmark, and that the accompanying inference framework ptts supports more than 10 backends including CPU, GPU, and NPU.