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Building low-latency voice agents in 3 lines of code with GPT Realtime 2 and AG2

OpenAI recently announced GPT Realtime 2 for lower-latency, more natural spoken interactions. AG2 Beta wraps this model behind LiveAgent: one bidirectional session, continuous audio in and out, and provider-side voice activity detection. This post explains how to build voice agents with just 3 lines of code, support tools and subagent delegation, and compares realtime vs traditional STT-TTS stacks.

SourceHacker News AIAuthor: Lancetnik
Building low-latency voice agents in 3 lines of code with GPT Realtime 2 and AG2
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Key points and analysis

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Key points

  • GPT Realtime 2 enables lower-latency, more natural voice interactions.
  • AG2 LiveAgent lets you build a voice agent in just 3 lines of code.
  • Supports tools and subagent delegation without sacrificing realtime capabilities.
  • LiveAgent complements STT-TTS; choose based on need for latency vs full agent features.

Highlights and analysis are generated automatically and may contain errors. Check the original source.