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Description

The Azure Voice Live API offers a comprehensive, managed platform for creating high-quality, low-latency speech-to-speech agents, all through a single, unified interface. By integrating speech recognition, generative AI, and text-to-speech capabilities, it enables developers to effortlessly send audio inputs and receive synchronized audio outputs, along with avatar visuals and action triggers, while eliminating the need for separate backend orchestration or model deployment. This robust solution supports over 140 speech-to-text languages and features more than 600 standard voices across 150+ text-to-speech languages, providing options for custom speech, phrase lists, unique voices, and avatars that align with brand identities. Developers have the flexibility to select from various generative AI models, such as GPT-Realtime, GPT-5, GPT-4.1, GPT-4o, Phi, and other compatible bring-your-own models, tailored to meet specific needs for intelligence, speed, and latency. The API also incorporates advanced conversational features like noise suppression, echo cancellation, effective interruption detection, and end-of-turn detection, enhancing the overall user experience and ensuring smoother interactions. With these capabilities, developers can create more engaging and lifelike conversational agents that cater to diverse applications.

Description

Boson AI delivers voice agents that utilize foundational audio models tailored for integration into business processes, continuously learning from each interaction. Higgs Realtime facilitates the use of live voice agents for various applications, including customer support, sales interactions, and product assistance, allowing them to listen and respond with low latency and natural dialogue. Enhancing these features, Higgs Audio and Avatar offer capabilities such as text-to-speech, speech-to-text conversion, voice cloning, sentiment analysis, and avatar creation, which contribute to producing human-like speech while recognizing tone, emotion, and intent. These advanced models also provide high-precision multilingual speech recognition, instantaneous translation, and versatile voice generation, while insights from sentiment analysis can enhance routing, analytics, and adaptive agent responses. Built with a focus on practical deployment, the platform prioritizes quality, minimal delay, and reliability, offering adaptable solutions for both managed and self-service environments. Its robust framework ensures that businesses can effectively leverage voice technology to improve customer engagement and operational efficiency.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

GPT-4.1 Yes 
GPT-4o Yes 
GPT-5 Yes 
Higgs Audio / Avatar No 
Higgs Realtime No 
MAI-Voice-2-Flash Yes 
Microsoft Azure Yes 
Phi-4 Yes 
gpt-realtime Yes 

Integrations

GPT-4.1 No 
GPT-4o No 
GPT-5 No 
Higgs Audio / Avatar Yes 
Higgs Realtime Yes 
MAI-Voice-2-Flash No 
Microsoft Azure No 
Phi-4 No 
gpt-realtime No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version 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 

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

Microsoft

Founded

1975

Country

United States

Website

learn.microsoft.com/en-us/azure/ai-services/speech-service/voice-live

Vendor Details

Company Name

Boson AI

Founded

2023

Country

United States

Website

www.boson.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

Alternatives

Alternatives