OpenAI Developers said GPT-Live-1 is available in the API: bring ChatGPT’s natural back-and-forth into your app with voice agents that listen while they speak, using the models and harness you choose. OpenAI’s Tibo also noted builders can use the same full-duplex voice stack shipped to ~1B ChatGPT users, with solid tool calling.

Key Takeaways

  • ✓GPT-Live-1 is live in the OpenAI API for full-duplex voice agents.
  • ✓Agents can listen while speaking and pick model + harness.
  • ✓Same voice stack as ChatGPT; strong fit for tool-calling voice apps.
⚡

Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
No model benchmark in this story · see current rankings
Full Leaderboard→
💰 Cost & PlansCompare
API & Subscription
Compare Plans↗
🛠️ Ecosystem & IDERules
GPT-Live-1 · OpenAI API · voice agents
Setup IDE Rules↗
🧭

Turn your technical choice into a development budget

Compare 40 dev plans & simulate token costs vs $20/mo subscriptions

⚔️ Compare Model→💰 Compare plans & limits↗
Action HubReady to adopt this in production?

Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.

⚔️ Launch VS Compare→💳 View Plans↗
Up NextOpenAI opens prompt-to-voice to all API customers: describe a custom GPT-Live voice in text, free to create, plus nine new German, French, Hindi, Japanese and Korean voices
Read Now→