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Build a Realtime Voice Assistant With gpt-realtime-2 — ContentBuffer guide

Build a Realtime Voice Assistant With gpt-realtime-2

K
Kodetra Technologies··10 min read Intermediate

Summary

Stream audio in and out, add tools, approvals, and handoffs with gpt-realtime-2 in Python.

Build a Realtime Voice Assistant With gpt-realtime-2

On June 3, 2026 OpenAI shipped a fresh batch of real-time audio models aimed squarely at conversational agents, and the developer chatter since has been about one thing: you no longer need to glue together a speech-to-text model, an LLM, and a text-to-speech model with three round trips of latency. A single model now listens, thinks, calls your tools, and talks back over one persistent connection.

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