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虎嗅APP·· 2026-07-07

OpenAI 发布 GPT-Realtime-2.1 和 GPT-Realtime-2.1-mini，用于 API 中的低延迟语音代理

OpenAI Releases GPT-Realtime-2.1 and GPT-Realtime-2.1-mini for Low-Latency Voice Agents in the API

AI 导读

OpenAI has released two new Realtime models in its API. They are named gpt-realtime-2.1 and gpt-realtime-2.1-mini . Both target low-latency voice and multimodal experiences. The mini model is the notable part of this release. It is a mini reasoning model for realtime voice. It ships at the same cost as the earlier gpt-realtime-mini . OpenAI also reduced p95 latency by at least 25% across Realtime voice models. That reduction comes from improved caching. What is GPT-Realtime-2.1-mini gpt-realtime

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来源：虎嗅APP · marktechpost.com