GPT-Live-1 Voice Agents in the API, and Charlie Guo
Melvin Vivas · X post · 2026-09-11 · Open on X
Topics: AI Agents, Tool Use & MCP, Industry Trends & Job Market · Level: intermediate
Summary
Melvin Vivas recommends following Charlie Guo, who he says handles most OpenAI launches. The post quotes the announcement that GPT-Live-1 is now in the API, which brings ChatGPT-style real-time back-and-forth to voice agents that listen while they speak.
Key points
- GPT-Live-1 is now available in the OpenAI API.
- It lets you build voice agents that listen while they speak, with natural back-and-forth conversation.
- You can use it with the models and agent harness of your choice.
- Follow Charlie Guo for news on OpenAI launches.
Resources mentioned
- GPT-Live-1 · tool · openai.com · paid
OpenAI's full-duplex voice model in the API for real-time voice agents that pair with a backend reasoning/tool model.
Also in: GPT-Live-1: OpenAI's Full-Duplex Voice Model for Voice Agents in the API (Melvin Vivas on X · notes) - Charlie Guo (@charlierguo) on X · person · x.com · free
Works at OpenAI and posts about many of its launches.
Try this
- Follow @charlierguo for OpenAI launch news.
- Build a voice agent app with GPT-Live-1.
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