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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

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.

Description

Inworld Realtime STT is a streaming API for speech-to-text that captures more than just spoken words. This innovative tool merges low-latency speech recognition with voice profiling capabilities, allowing it to analyze emotions, vocal style, accent, age, and pitch from raw audio inputs, which enhances the responsiveness and expressiveness of downstream LLMs and TTS systems. Developers have the flexibility to stream audio in real time, transcribe entire files, or gather voice profile signals via a single, comprehensive API. The system features real-time bidirectional streaming over WebSocket, synchronous transcription for complete audio files, and offers voice profile signals for each streaming segment, all while supporting multiple providers through one model ID. Each audio segment provides a dynamic profile of the speaker, complete with confidence scores, equipping LLMs with structured context that indicates the emotional state of the user, such as whether they sound sad, frustrated, soft-spoken, high-pitched, or calm. This capability allows for a more nuanced interaction, enriching the user experience by adapting responses to the speaker’s emotional tone and vocal characteristics.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

Eden AI Yes 
LiveKit Yes 
Pipecat Yes 

Integrations

Eden AI No 
LiveKit No 
Pipecat No 

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 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Deployment

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

Deployment

Web-Based Yes 
On-Premises No 
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) No 
In Person No 

Types of Training

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

Vendor Details

Company Name

Gradium

Founded

2025

Country

France

Website

gradium.ai/

Vendor Details

Company Name

Inworld

Founded

2021

Country

United States

Website

inworld.ai/speech-to-text

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

Alternatives

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