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Description

OpenAI has introduced GPT-Realtime-2, a voice model designed for dynamic live interactions that allows for seamless conversation flow while it processes requests, utilizes tools, addresses corrections, or manages interruptions, all while providing timely and relevant responses. This model is specifically crafted for a new generation of voice applications that aim to deliver a more intuitive user experience, respond with greater intelligence, and perform actions instantly. By incorporating GPT-5-level reasoning capabilities into voice interactions, GPT-Realtime-2 enhances agents' abilities to comprehend user intent, maintain context, adapt to changing requests, and utilize tools without disrupting the conversation. Developers have the option to implement brief preambles, such as “let me check that,” to inform users that the agent is currently processing their inquiry, and the model is capable of simultaneously engaging multiple tools while making its actions clear through phrases like “checking your calendar” or “looking that up now.” Additionally, it boasts improved recovery mechanisms, extended context for agent-driven tasks, and enhanced retention of specific terminology, contributing to a more effective communication experience. Overall, GPT-Realtime-2 is set to redefine how voice interactions are experienced, paving the way for smoother and more efficient user-agent dialogues.

Description

StepAudio 3 represents the latest advancement in StepFun's audio model series, designed to comprehend, produce, and engage through various auditory forms including voice, sound, and music. This family features several specialized models: StepAudio 3 Realtime for seamless full-duplex dialogue, StepAudio 3 ASR for accurate speech recognition, StepAudio 3 TTS for effective speech synthesis, StepAudio 3 Gen for versatile audio generation, and StepAudio 3 Music for creating extended musical pieces. The Realtime model employs a continuous cycle of listening, conversing, thinking, and acting, adeptly interpreting not just spoken words but also nuances such as hesitation, laughter, emotions, pauses, backchannels, and interruptions. Unlike traditional systems, it can process information while articulating responses, tackle complex inquiries without disrupting the conversation, and utilize tools to fulfill tasks once it grasps the user's intent. Moreover, StepAudio 3 Gen integrates various functions like zero-shot TTS, voice design, vocal generation, sound effects, and mixed audio generation into a single cohesive framework, whereas StepAudio 3 Music allows for the creation of text-controlled songs, instrumental pieces, and vocal arrangements, making it a comprehensive tool for audio creativity. This innovative collection emphasizes the blend of interaction and creativity, pushing the boundaries of what audio models can achieve.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

OnSolo Yes 
OpenAI Yes 
gpt-realtime Yes 

Integrations

OnSolo No 
OpenAI No 
gpt-realtime No 

Pricing Details

$32 per 1M tokens
$32 / 1M audio input tokens ($0.40 for cached input tokens) and $64 / 1M audio output tokens
Free Trial Yes 
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) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com/index/advancing-voice-intelligence-with-new-models-in-the-api/

Vendor Details

Company Name

StepFun

Country

United States

Website

static.stepfun.com/blog/stepaudio3/

Product Features

Product Features

Alternatives

Alternatives

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