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What is GPT-Realtime-2?

OpenAI has unveiled GPT-Realtime-2, an innovative voice model tailored for engaging live interactions that enables a fluid flow of conversation as it processes requests, utilizes various tools, corrects errors, or navigates interruptions, all while delivering prompt and pertinent replies. This model is purposefully developed for a modern era of voice applications that seek to provide a more intuitive user experience, exhibit higher intelligence in responses, and execute tasks with immediacy. By integrating reasoning capabilities akin to GPT-5 into voice interactions, GPT-Realtime-2 significantly enhances agents' proficiency in understanding user intent, sustaining context, adjusting to shifting requests, and employing tools seamlessly without breaking conversational flow. Moreover, developers can incorporate concise preambles like “let me check that” to indicate to users that the agent is actively processing their question, while the model can manage multiple tools concurrently and clarify its actions through expressions such as “checking your calendar” or “looking that up now.” The model further features advanced recovery strategies, improved context retention for agent-led tasks, and a refined ability to remember specific terminology, all of which contribute to a richer communication experience. In summary, GPT-Realtime-2 is poised to transform the landscape of voice interactions, setting a new standard for more fluid and productive dialogues between users and agents. With these advancements, users can expect a more engaging and responsive interaction that anticipates their needs effectively.

What is GPT-5.1 Instant?

GPT-5.1 Instant is a cutting-edge AI model designed specifically for everyday users, combining quick response capabilities with a heightened sense of conversational warmth. Its ability to adaptively reason enables it to gauge the necessary computational effort for various tasks, ensuring that responses are both timely and deeply comprehensible. By emphasizing improved adherence to instructions, users can offer detailed information and expect consistent and reliable execution. Additionally, the model incorporates expanded personality controls that allow users to tailor the chat tone to options such as Default, Friendly, Professional, Candid, Quirky, or Efficient, with ongoing experiments aimed at refining voice modulation further. The primary objective is to foster interactions that feel more natural and less robotic, all while delivering strong intelligence in writing, coding, analysis, and reasoning tasks. Moreover, GPT-5.1 Instant adeptly handles user requests through its main interface, intelligently deciding whether to utilize this version or the more intricate “Thinking” model based on the specific context of the inquiry. Furthermore, this innovative methodology significantly enhances the user experience by making communications more engaging and personalized according to individual preferences, ultimately transforming how users interact with AI.

Media

Media

Integrations Supported

OpenAI
OnSolo

Integrations Supported

OpenAI
Augment Code
Bash
Brokk
C++
ChatGPT
ChatGPT Pro
Codex Security
Google Drive
JavaScript
JetBrains AI Assistant
Kimi K2 Thinking
Kotlin
Microsoft 365 Copilot Chat
Microsoft Teams
Novelcrafter
Shiori
Verdent

API Availability

Has API

API Availability

Has API

Pricing Information

$32 per 1M tokens
$32 / 1M audio input tokens ($0.40 for cached input tokens) and $64 / 1M audio output tokens
Free Trial Offered?

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

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

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com/index/gpt-5-1/

Categories and Features

AI Models

Not specified

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

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