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ease
features
design
support

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Description

Phonon serves as an open-weight text-to-speech (TTS) model and inference runtime designed for developers seeking to incorporate speech generation into applications that require local and offline audio capabilities. This innovative system transforms text into spoken audio and has the ability to stream speech in real-time as it is produced. The runtime offers interfaces for Rust and Python, a Swift package for iOS and macOS, JavaScript support for web browsers, and libraries for Android; it can also function as a self-hosted server compatible with OpenAI's API. Depending on the variant of the model used, it accommodates languages such as English, French, German, Spanish, and Portuguese. Phonon is tailored for developers aiming to integrate speech functionalities into mobile, desktop, web, embedded, and server applications, particularly in scenarios requiring offline access or enhanced privacy. The English model, which consists of 31 million parameters, is licensed under Apache 2.0, while the language-specific and multilingual models, featuring 40 million parameters, operate under CC BY-NC 4.0. Additionally, the runtime’s code is available under either the Apache 2.0 or MIT licenses, making it accessible for various development needs. This flexibility and wide-ranging support make Phonon a versatile choice for speech synthesis across different platforms.

Description

Polyant is a collaborative open-source platform designed to assemble teams of specialized AI agents that assist company personnel by managing tasks such as sales briefs, customer triage, document extraction, and compliance reporting. With its modular and self-hosted framework, teams have the flexibility to select their preferred model providers, including open-weight models, and can utilize their own infrastructure, ensuring they are never tied to a single vendor. From the outset, the platform includes governance and auditing tools tailored to meet EU AI Act requirements, with all agent decisions meticulously recorded in a compliance-friendly audit registry accessible to compliance teams. Organizations maintain comprehensive control over data residency options, allowing deployment on-premises, within their own cloud, or utilizing EU infrastructure managed by Exelab. Furthermore, the deployment of agents can occur in mere days rather than the typical months, all while retaining self-hosting capabilities and adhering to governance standards. This solution is particularly tailored for mid-to-large European enterprises operating in regulated industries such as banking, insurance, and healthcare, where relying solely on a hosted API is not a viable option, ensuring that companies can effectively manage their AI integration in a compliant manner.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

No images available

Screenshots View All

Integrations

Amazon Bedrock No 
Amazon Transcribe No 
Anthropic No 
Deepgram No 
Hugging Face Yes 
Nebius Token Factory No 
OpenAI No 
OpenAI Whisper No 
Slack No 
Telegram No 
WhatsApp No 

Integrations

Amazon Bedrock Yes 
Amazon Transcribe Yes 
Anthropic Yes 
Deepgram Yes 
Hugging Face No 
Nebius Token Factory Yes 
OpenAI Yes 
OpenAI Whisper Yes 
Slack Yes 
Telegram Yes 
WhatsApp Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Deployment

Web-Based No 
On-Premises Yes 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Gradium

Founded

2025

Country

France, United States

Website

gradium.ai/phonon

Vendor Details

Company Name

Exelab

Country

Italy

Website

polyant.ai

Product Features

Alternatives

No Alternatives

Alternatives