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gpt-realtime-1.5 by OpenAI

gpt-realtime-1.5 by OpenAI

Tighter instruction adherence in speech agents

319upvotes
Launched February 26, 2026

About gpt-realtime-1.5 by OpenAI

gpt-realtime-1.5 by OpenAI enhances voice-driven workflows by offering improved instruction adherence, tool calling, and multilingual capabilities within the Realtime API. Designed for developers building speech agents, voice assistants, or conversational AI applications, this model ensures more reliable and accurate responses across diverse languages and complex instructions. Its strength lies in delivering tighter control over AI behavior, making it ideal for creating more natural, responsive, and context-aware voice experiences. The update makes it easier for developers to deploy voice solutions that require high precision and multilingual support, broadening the scope of AI-powered voice interactions. With a focus on improving reliability and multilingual accuracy, gpt-realtime-1.5 stands out as a versatile tool for advancing voice-based AI applications in various industries.

Screenshots

gpt-realtime-1.5 by OpenAI screenshot 1
gpt-realtime-1.5 by OpenAI screenshot 2

Pros

  • Enhanced instruction following and response accuracy
  • Improved multilingual support for global applications
  • Better tool calling capabilities for complex workflows
  • Seamless integration with Realtime API for real-time voice interactions
  • Supports more reliable and natural voice assistant experiences

Cons

  • Potentially higher costs due to advanced features
  • Requires developer expertise to implement effectively
  • Limited information on open-source availability or customization options

Use Cases

1Building intelligent voice assistants for customer service
2Creating multilingual speech recognition and response systems
3Developing voice-enabled IoT and smart home devices
4Enhancing voice-based automation workflows
5Implementing real-time voice translation services
6Designing accessible voice interfaces for diverse user groups

Pricing

Likely follows a usage-based or tiered API pricing model, common with OpenAI's offerings, with possible free trial options. Exact pricing details are not specified, but advanced models like this typically involve pay-as-you-go plans suitable for developers and enterprise users.

Quick Info

Upvotes319
Comments5
Launched2/26/2026

Topics

APIDeveloper ToolsArtificial Intelligence

Alternatives

Google Dialogflow
Microsoft Azure Speech Services
Amazon Lex
Rasa
Cognigy

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