GPT-Realtime-2

GPT-Realtime-2, GPT-Realtime-Translate, and GPT-Realtime-Whisper are available in the Realtime API. GPT-Realtime-2 scores 15.2% higher on Big Bench Audio than GPT-Realtime-1.5 and 13.8% higher on Audio MultiChallenge for instruction following. Context window increases from 32K to 128K.

OpenAI | In Edition 33, Saturday 9 May 2026

SOURCE OpenAI, Advancing voice intelligence with new models in the API

Added to The Deploy Log Monday 14 Sep 2026, updated Thursday 17 Sep 2026. Read Edition 33, the edition that carried it.

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