We’re releasing a more advanced speech-to-speech model and new API capabilities including MCP server support, image input, and SIP phone calling support.
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GPT‑Live‑1 brings natural, full-duplex voice conversations to the API, with stronger instruction following, custom voices, and telephony support.
Developers can now build fast speech-to-speech experiences into their applications
GPT-Live enables continuous voice interaction with AI, using a turnless speech model and low-latency architecture for faster, more natural conversations.
Retell AI is transforming the call center with AI voice automation powered by GPT-4o and GPT-4. 1.
A new generation of voice models for natural human-AI interaction, now powering ChatGPT Voice.
Explore new realtime voice models in the OpenAI API that can reason, translate, and transcribe speech, enabling more natural and intelligent voice experiences.