OpenAI brings GPT-5-level reasoning to its speech models

OpenAI launched three new speech-focused models on Thursday: GPT-Realtime-2, its first voice model with what the company calls “GPT-5-class reasoning”; GPT-Realtime-Translate for live translations; and GPT-Realtime-Whisper for fast transcriptions. GPT-Realtime-2 The first GPT-Realtime model launched in the summer of 2025, focusing on providing a voice-native model that could interact with users in a far more natural way than previous models. OpenAI last updated GPT-Realtime in February with the launch of version 1.5. Credit: OpenAI.