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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

Async is an AI voice platform designed with developers in mind, leveraging the innovative technology of Podcastle to provide top-tier text-to-speech and voice cloning through a high-performance, user-friendly API. This platform enables developers to access broadcast-quality, lifelike voices with latency under 200 milliseconds, while also allowing them to create customized voice clones from just a three-second audio sample. With the capability to stream audio output in real-time, Async ensures that sound plays as it is being generated, and it features a straightforward usage-based billing system complete with daily real-time statistics and precise per-second cost management. Designed for scalability, Async caters to both independent developers and large enterprises, empowering them with advanced voice functionalities supported by the reliable infrastructure that powers Podcastle. As a result, users can experience enhanced creativity and efficiency in their projects.

Description

Gradium offers a voice AI platform tailored for developers and businesses that are creating applications with speech capabilities and conversational interfaces. The platform's hosted APIs encompass a variety of functions, including streaming text-to-speech, speech-to-text, speech translation, and speech-to-speech, accessible via both WebSocket and REST interfaces, along with features like real-time turn detection, pronunciation adjustments, and voice design or cloning options. Users can explore the models and manage voices through a web-based studio, while comprehensive documentation and SDK guides aid in the development of applications. Potential applications span across voice agents, automation in customer service, live transcription services, multilingual voice interactions, and the generation of spoken content. Additionally, Gradium has introduced Phonon, an open-weight text-to-speech model that is intended for offline use in applications and on-device systems. The platform operates on a credit-based system for various services such as speech generation, transcription, and translation, ensuring flexibility and scalability for users. This comprehensive approach makes Gradium a versatile choice for those looking to enhance their applications with advanced voice capabilities.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

No images available

Integrations

Eden AI No 
JavaScript Yes 
LiveKit No 
Pipecat No 
Podcastle Yes 
Python Yes 
Twilio Yes 

Integrations

Eden AI Yes 
JavaScript No 
LiveKit Yes 
Pipecat Yes 
Podcastle No 
Python No 
Twilio No 

Pricing Details

$1 per hour
Free Trial No 
Free Version Yes 

Pricing Details

$0/month
The free tier includes 45,000 credits. The XS plan is $13/month and includes 225,000 credits. Credits are shared across speech services; monthly plan credits do not roll over. Annual billing saves one month.
Free Trial No 
Free Version Yes 

Deployment

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

Deployment

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

Customer Support

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

Customer Support

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

Types of Training

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

Types of Training

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

Vendor Details

Company Name

Async

Country

United States

Website

async.ai/

Vendor Details

Company Name

Gradium

Founded

2025

Country

France

Website

gradium.ai/

Product Features

Text to Speech

API No 
Adjust Speaking Rate / Pitch No 
Audio Optimization No 
Custom Lexicons No 
Different Voice Choices No 
Multi-Language Support No 
Synchronize Speech No 

Product Features

Text to Speech

API No 
Adjust Speaking Rate / Pitch No 
Audio Optimization No 
Custom Lexicons No 
Different Voice Choices No 
Multi-Language Support No 
Synchronize Speech No 

Alternatives

Fish Audio Reviews

Fish Audio

Hanabi AI

Alternatives

No Alternatives