Project AURIONAI Use-Cases Research & Innovation
speech synthesis

ChatTTS

Open text-to-speech model from 2Noise with published weights for non-commercial use.

2Noise
Levelmodel
Classspeech synthesis
Parametersnot in the notes
Contextnot in the notes
Released25 May 2024
Opennessopen weights restricted
Runs onnot in the notes
Statusactive

R&D Topics

Large-scale zero-shot text-to-speechproduced by

Identity

Developer
2Noise
Family
not in the notes
Released
25 May 2024 sourcesregistry date
Weights published
–
Record checked
12 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
other
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
text
Output
audio
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights restricted
Licence
Creative Commons Attribution-NonCommercial 4.0 sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
Code under AGPL 3.0 (LICENSE file); weights CC BY-NC 4.0 (Hugging Face tag).
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Lineage

The notes record no lineage for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. huggingface.co/2Noise/ChatTTS https://huggingface.co/2Noise/ChatTTS
  2. github.com/2noise/ChatTTS https://github.com/2noise/ChatTTS

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "ChatTTS", https://aurion.semai.id/models/2noise-chattts/, records of October 2026.