Phonon

Phonon

Gradium
+
+

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About

The Open Container Initiative is an open governance structure for the express purpose of creating open industry standards around container formats and runtimes. Established in June 2015 by Docker and other leaders in the container industry, the OCI currently contains two specifications, the runtime specification (runtime-spec) and the image specification (image-spec). The runtime specification outlines how to run a “filesystem bundle” that is unpacked on disk. At a high-level an OCI implementation would download an OCI Image then unpack that image into an OCI Runtime filesystem bundle. At this point the OCI Runtime Bundle would be run by an OCI Runtime. The Open Container Initiative (OCI) is a lightweight, open governance structure (project), formed under the auspices of the Linux Foundation, for the express purpose of creating open industry standards around container formats and runtime. The OCI was launched on June 22nd 2015 by Docker, CoreOS and other leaders.

About

Phonon is an open-weight text-to-speech (TTS) model and inference runtime for developers adding speech generation to applications that need local, offline audio. It converts text into spoken audio and can stream speech as it is generated. The runtime provides Rust and Python interfaces, a Swift package for iOS and macOS, JavaScript for browsers, and Android libraries; it can also run as a self-hosted server with an OpenAI-compatible API. Depending on the model variant, it supports English, French, German, Spanish, and Portuguese. Phonon is intended for developers integrating speech into mobile, desktop, web, embedded, and server applications, including offline or privacy-sensitive use cases. The 31-million-parameter English model weights use the Apache 2.0 license; 40-million-parameter language-specific and multilingual weights use CC BY-NC 4.0. The runtime code is separately available under Apache 2.0 or MIT.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Audience

Developers in need of an open governance structure to create open industry standards around container formats

Audience

Developers and product teams building mobile, desktop, web, embedded, or server applications that need text-to-speech, including offline or privacy-sensitive use cases.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Open Container Initiative (OCI)
opencontainers.org

Company Information

Gradium
Founded: 2025
France, United States
gradium.ai/phonon

Alternatives

Alternatives

rkt

rkt

Red Hat
Qwen3-TTS

Qwen3-TTS

Alibaba
Piper TTS

Piper TTS

Rhasspy
Podman

Podman

Containers
Simba 3.2

Simba 3.2

Speechify

Categories

Container Engines Supported

Categories

Integrations

Alibaba CloudAP Supported
Amazon Web Services (AWS) Supported
D2iQ Supported
Dell EMC Avamar Supported
Docker Supported
Fedora CoreOS Supported
Fujitsu Biometrics-as-a-Service Supported
Hugging Face Not Supported
IBM Cloud Supported
Joyent Triton Supported
Microsoft 365 Supported
Oracle Cloud Infrastructure Supported
Portworx Supported
Replicated Supported
Sysdig Secure Supported

Integrations

Alibaba CloudAP Not Supported
Amazon Web Services (AWS) Not Supported
D2iQ Not Supported
Dell EMC Avamar Not Supported
Docker Not Supported
Fedora CoreOS Not Supported
Fujitsu Biometrics-as-a-Service Not Supported
Hugging Face Supported
IBM Cloud Not Supported
Joyent Triton Not Supported
Microsoft 365 Not Supported
Oracle Cloud Infrastructure Not Supported
Portworx Not Supported
Replicated Not Supported
Sysdig Secure Not Supported
Claim Open Container Initiative (OCI) and update features and information
Claim Open Container Initiative (OCI) and update features and information
Claim Phonon and update features and information
Claim Phonon and update features and information