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What is gpt-realtime?

OpenAI has launched GPT-Realtime, its most advanced speech-to-speech model, accessible through the fully functional Realtime API. This innovative model generates audio that is not only strikingly natural but also rich in expressiveness, enabling users to customize aspects such as tone, speed, and accent with precision. It demonstrates an impressive capability to grasp intricate human audio signals, including laughter, and can fluidly switch languages mid-conversation while accurately interpreting alphanumeric data, like phone numbers, across different languages. With significant improvements in reasoning and instruction-following skills, it has achieved remarkable scores of 82.8% on the BigBench Audio benchmark and 30.5% on MultiChallenge. Moreover, it boasts enhanced function calling abilities that offer increased reliability, speed, and accuracy, reflected in a score of 66.5% on ComplexFuncBench. The model also supports asynchronous tool invocation, ensuring that conversations remain coherent even during lengthy discussions. Additionally, the Realtime API rolls out groundbreaking features, such as image input support, integration with SIP phone networks, links to remote MCP servers, and efficient reuse of conversation prompts, which collectively position it as an essential asset for advancing communication technology. This holistic enhancement in capabilities truly sets a new standard in the field.

What is Voxtral TTS?

Voxtral TTS emerges as a state-of-the-art multilingual text-to-speech system that excels in generating remarkably lifelike and emotionally engaging speech from written content, utilizing advanced contextual understanding along with refined speaker modeling to produce audio that closely mimics human vocalization. With a streamlined architecture comprising around 4 billion parameters, it effectively balances efficiency with superior performance, positioning it as a prime choice for scalable deployment in large-scale voice solutions. This model supports nine major languages and a variety of dialects, allowing it to effortlessly adapt to new vocal profiles using just a short audio sample, thereby accurately capturing nuances such as tone, rhythm, pauses, intonation, and emotional depth. Its impressive zero-shot voice cloning capability allows it to reproduce a speaker's distinct style without requiring additional training, while also featuring cross-lingual voice adaptation that enables it to generate speech in one language while preserving the accent of another. Furthermore, this innovative technology paves the way for enhanced personalized voice applications across a multitude of platforms, revolutionizing user experiences in diverse settings. Ultimately, Voxtral TTS showcases the potential of combining advanced AI with voice synthesis, making it a significant contender in the field of speech technology.

Media

Media

Integrations Supported

ChatGPT
GPT-Realtime-1.5
GPT-Realtime-2
GPT-Realtime-Translate
GPT‑Realtime‑Whisper
Microsoft Foundry Models
OpenAI
SmartCallz

Integrations Supported

ChatGPT
GPT-Realtime-1.5
GPT-Realtime-2
GPT-Realtime-Translate
GPT‑Realtime‑Whisper
Microsoft Foundry Models
OpenAI
SmartCallz

API Availability

Has API

API Availability

Has API

Pricing Information

$20 per month
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com/index/introducing-gpt-realtime/

Company Facts

Organization Name

Mistral AI

Date Founded

2023

Company Location

France

Company Website

mistral.ai/news/voxtral-tts

Categories and Features

Categories and Features

Text to Speech

API
Adjust Speaking Rate / Pitch
Audio Optimization
Custom Lexicons
Different Voice Choices
Multi-Language Support
Synchronize Speech

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