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NEUTRINO
What it is
NEUTRINO is a free AI singing voice generator that turns lyrics and melody into synthesized vocals from sheet music. Its AI estimates vocal timing, pitch, voice quality, and breathiness, then a vocoder produces the singing. The project says its models derive vocal qualities and singing style from recordings made with performers’ permission or audio released by public institutions, rather than existing pretrained models. NEUTRINO is available for Linux, macOS, Windows, and web; users download the software and add a voice library. Muon offers voice retakes and adjustable quality and processing speed through advanced, standard, and elements modes. Advanced and standard output is 48 kHz, 16-bit mono WAV; elements output is 24 kHz, 16-bit mono WAV. The software is free for general music and audio production. Embedding it or using generated audio inside an application requires separate permission, and character-specific terms also apply to ordinary audio uses. The FAQ says users cannot currently create their own voice libraries with a released framework. It also describes GPU requirements of about 4–6 GB of VRAM, with some processing potentially running out of memory below 4 GB, and CPU processing modes.
For and against
For
- Free for general music and audio production.
- Supports Linux, macOS, Windows, and web.
- Muon offers voice retakes and adjustable processing.
- Exports mono WAV in three listed modes.
Against
- Embedding the software requires separate permission.
- Using generated audio inside an application requires separate permission.
- Users cannot currently create their own voice libraries.
- Some processing may run out of memory below 4 GB GPU VRAM.
The verdict
NEUTRINO offers a free route from lyrics and melody to synthesized singing, with several processing modes and WAV output. Application embedding and generated-audio use within applications need separate permission, and users cannot currently make their own voice libraries.
Who it suits
NEUTRINO may suit musicians and audio producers who want to generate singing from lyrics and melody across desktop or web platforms. Users who need to embed it in an application or create their own voice libraries should note the stated restrictions.
Plans and prices
NEUTRINO freeware
Free for general music/audio production · separate permission required for embedding the software or using generated audio inside applications
Read 21 Oct 2026 · studio-neutrino.com
NEUTRINO
Free for general music and audio production; system integration or use of generated audio inside an application requires separate permission
Read 4 Oct 2026 · studio-neutrino.com
On the record
- AI-training restriction
- The EULA forbids using generated audio, intermediate data or voice libraries as training or fine-tuning data for other AI singing, speech or voice-conversion systems.studio-neutrino.com · read 21 Oct 2026
- API and SDK
- The official FAQ and download materials describe command-line scripts, MusicXML input and Orbit, but do not publish a developer API or SDK.studio-neutrino.com · read 21 Oct 2026
- Audio output
- The standard output is 48 kHz, 16-bit mono WAV, with an elements mode at 24 kHz.studio-neutrino.com · read 21 Oct 2026
- Commercial use
- Generated audio may be used commercially or non-commercially, subject to each voice library's separate terms.studio-neutrino.com · read 21 Oct 2026
- Data provenance
- The maker says training uses performer-authorized recordings or public institutional datasets and is trained from scratch without pre-trained models.studio-neutrino.com · read 21 Oct 2026
- Desktop and online support
- The maker provides Windows, macOS, Linux and Google Colab distributions.studio-neutrino.com · read 21 Oct 2026
- Developer and release
- Independent reference material identifies SHACHI as developer and dates the first public release to February 22, 2020.es.wikipedia.org · read 21 Oct 2026
- Documentation and support
- The official FAQ covers installation, rendering errors, GPU issues, file formats and licensing, and directs unresolved questions to a contact form.studio-neutrino.com · read 21 Oct 2026
- Download sizes
- The current download page lists roughly 3.05 GB for Windows Tau, 1.76 GB for macOS Tau, 1.70 GB for Google Colab Tau and about 346–349 MB for individual Tau voice libraries.studio-neutrino.com · read 21 Oct 2026
- Free availability
- The software and many voice libraries are free to download and use for ordinary music and audio production.studio-neutrino.com · read 21 Oct 2026
- Free use
- NEUTRINO is free to download and use for general music and audio production, while embedding the software or using generated audio within an application requires separate permission.studio-neutrino.com · read 4 Oct 2026
- Generation history
- The product has progressed from Electron to Muon and then Tau generations, with Muon introducing diffusion models and Tau adding further stability and expression improvements.studio-neutrino.com · read 21 Oct 2026
- Generation options
- The FAQ says Muon supports voice retakes and adjustable quality and processing speed, with advanced, standard, and elements modes.studio-neutrino.com · read 4 Oct 2026
- GPU fallback
- Older unsupported NVIDIA GPUs can be bypassed by running the renderer in CPU mode.studio-neutrino.com · read 21 Oct 2026
- GPU memory
- The FAQ says 4–6 GB of GDDR VRAM generally works, while less than 4 GB can cause memory failures and 6 GB or more is usually sufficient.studio-neutrino.com · read 21 Oct 2026
- Hardware requirements
- The FAQ says about 4–6 GB of GPU VRAM is sufficient, while some processing may run out of memory below 4 GB; it also describes CPU processing modes.studio-neutrino.com · read 4 Oct 2026
- How it works
- Its AI estimates vocal timing, pitch, voice quality, and breathiness from sheet music, then a vocoder synthesizes the voice.studio-neutrino.com · read 4 Oct 2026
- Input and workflow
- The project says users can make it sing by entering lyrics and melody, and its download page instructs users to download NEUTRINO and add a voice library.studio-neutrino.com · read 4 Oct 2026
