GPT Realtime 2, Explained Simply
What GPT Realtime 2 is, what it does well, and what it costs — released 2026-05-07 by OpenAI.
- OpenAI released a new voice AI that listens and speaks back in real time.
- It is designed to power "speech-to-speech agents"—think of it like a smart walkie-talkie app rather than a text chatbot.
- You can actually adjust how much the AI "thinks" before it talks, which is called configurable reasoning.
- It launched alongside two other tools: one for live translating spoken languages and another for instantly turning speech into text.
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GPT Realtime 2 is an AI model built to have live, spoken conversations. Instead of typing a message and waiting for text to pop up, you talk to it, and it talks back. This is perfect for developers who want to build things like voice assistants, interactive tutoring apps, or customer service bots that actually feel natural to speak with.
What it does well
- Live voice interaction: It handles speech-to-speech, meaning it takes in your audio and replies with its own audio right away.
- Adjustable thinking: It features "configurable reasoning." In plain English, this means developers can choose how much the AI puzzles through a problem before it answers. It can give quick, simple replies or take a moment to "think" for harder questions.
- Teamwork: It works alongside two other new tools—one that translates spoken languages on the fly, and another that writes out live text transcripts of what is being said.
What it costs and what it can handle
The announcement does not mention specific prices, context limits (how much it can remember at once), or audio length limits. Developers will need to check OpenAI's official pricing pages for those exact details.
Worth knowing
- This is a tool meant for developers, so it requires programming knowledge to set up and use. It is not an app you can just download from an app store.
- OpenAI updated their official guides to help people learn how to use it, including how to prompt (give instructions to) a voice-based AI, which is a bit different than typing to one.
This is our plain-language summary. Read the complete, official notes on the OpenAI Audio official changelog ↗.
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