Neuphonic NeuTTS Air / NeuTTS Nano
Model idneuphonic/neutts-nano-german
PricePrice not published
Where it stands
82newer speech and audio models since its release
- NVIDIA Nemotron 3.5 Transcribe (30B-A4B)28 Oct 2026
- Hy-SimulMT-30B-A3B22 Oct 2026
- Eleven Realtime v1 Max / Mini20 Oct 2026
- Voxtral Mini Transcribe 3 (+ Mini Transcribe Realtime 3)20 Oct 2026
- Voxtral Small Transcribe 320 Oct 2026
The 5 newest are listed. All speech and audio models
- Weights
- Weights are public. Licence: Apache-2.0. See the licence for commercial terms.
How to call it
2 ways to use Neuphonic NeuTTS Air / NeuTTS Nano, with the model id each provider expects.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| GitHub | github.com | ||
| Hugging Face | neuphonic/neutts-nano-german |
huggingface.co |
Pricing
Price not published.
No price source linked.
Specs
- Input
- Text and audio
- Output
- Audio
- Context window
- Not published
- Max output
- Not published
- Open weights
- Yes
- Licence
- apache-2.0 (NeuTTS Air)
- Released
- 2 October 2025
- Status
- Current
- Type
- Speech and audio
What stands out
What its maker marketed at launch, and what people found later, each with its source.
On-device TTS with instant cloning
NeuTTS Air: 748M params (0.5B-class Qwen backbone + NeuCodec), real time from RTX 4090 down to Raspberry Pi, clones from ~3 s of audio, Perth watermark on every output; Nano: 229M total / 120M active for tighter edge devices.
Notes
Release date from MarkTechPost coverage (2025-10-02).
Sources: https://github.com/neuphonic/neutts
Not yet checked against an official source: Nano license and exact Air HF repo id (neuphonic/neutts-air) not verified today.