OpenAI: three new realtime voice models in the API with reasoning and translation
OpenAI introduced on May 7, 2026, three new realtime voice models in the API: GPT-Realtime-2 with GPT-5-class reasoning and a 128,000-token context, GPT-Realtime-Translate that translates from 70+ input languages into 13 output languages, and GPT-Realtime-Whisper for live speech transcription.