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🤖OpenAI
September 10, 2026
General AI

Build more natural voice experiences with GPT‑Live‑1 in the API

Overview

OpenAI has announced the availability of GPT-Live-1 in its API to enable more natural voice interactions. The model offers full-duplex conversational capabilities along with support for telephony and custom voices. It also features enhanced instruction following for developers building voice experiences.

Key Takeaways

  • OpenAI has introduced GPT-Live-1 to its API, allowing developers to create voice-based interactions that operate in full duplex.

    This capability enables back-and-forth spoken dialogue that feels more fluid and immediate than traditional turn-based voice systems.

  • In addition to connectivity options, GPT-Live-1 provides stronger adherence to developer instructions and supports custom voices.

    For developers building conversational AI tools, these updates highlight a shift toward real-time voice interfaces that offer greater control over brand identity and functional accuracy.

  • OpenAI launched GPT-Live-1 in its API to support natural, full-duplex voice conversations.

    The new model includes feature enhancements such as improved instruction following during spoken interactions.

  • Developers can utilize telephony support and custom voices when integrating GPT-Live-1 into their applications.
  • Alongside full-duplex audio support, the release provides integration with telephony systems to expand deployment options.

OpenAI has introduced GPT-Live-1 to its API, allowing developers to create voice-based interactions that operate in full duplex. This capability enables back-and-forth spoken dialogue that feels more fluid and immediate than traditional turn-based voice systems. Alongside full-duplex audio support, the release provides integration with telephony systems to expand deployment options.

In addition to connectivity options, GPT-Live-1 provides stronger adherence to developer instructions and supports custom voices. For developers building conversational AI tools, these updates highlight a shift toward real-time voice interfaces that offer greater control over brand identity and functional accuracy. OpenAI launched GPT-Live-1 in its API to support natural, full-duplex voice conversations.

For more details please read the original article at OpenAI.

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Originally published by OpenAI
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