What is Gradium?

Gradium provides a specialized voice AI platform designed for developers and businesses aiming to integrate speech functionalities and conversational interfaces into their applications. This platform features hosted APIs that offer a wide range of capabilities, such as streaming text-to-speech, converting speech to text, translating speech, and facilitating speech-to-speech interactions, with access available through both WebSocket and REST interfaces. In addition, it includes advanced features like real-time turn detection, adjustments for pronunciation, and options for voice design or cloning. Users can easily explore various models and manage voice settings through an intuitive web-based studio, while detailed documentation and SDK resources support the application development process. The potential use cases for this technology cover areas such as virtual voice agents, customer service automation, live transcription, multilingual voice interactions, and the generation of audible content. Furthermore, Gradium has launched Phonon, an open-weight text-to-speech model aimed at offline implementation within applications and on-device environments. The platform employs a credit-based payment model for services that include speech generation, transcription, and translation, providing users with both flexibility and scalability. By combining these diverse features and options, Gradium stands out as a highly adaptable solution for anyone seeking to enrich their applications with cutting-edge voice technology. The extensive capabilities offered by Gradium make it a vital tool in the rapidly evolving landscape of voice AI.

Pricing

Price Starts At:
$0/month
Price Overview:
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 Version:
Free Version available.

Integrations

Offers API?:
Yes, Gradium provides an API

Screenshots and Video

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Company Facts

Company Name:
Gradium
Date Founded:
2025
Company Location:
France
Company Website:
gradium.ai/

Product Details

Deployment
SaaS
On-Prem
Training Options
Documentation Hub
Support
Web-Based Support

Product Details

Target Company Sizes
Individual
1-10
11-50
51-200
201-500
501-1000
1001-5000
5001-10000
10001+
Target Organization Types
Enterprise
Startup
Supported Languages
English
French
German
Spanish
Portuguese

Gradium Categories and Features