The OpenAI API keeps running. The gpt-realtime, gpt-4o-realtime, gpt-realtime-mini, gpt-4o-mini-realtime, gpt-audio, gpt-4o-audio, gpt-audio-mini, gpt-4o-mini-audio and gpt-4o-mini-transcribe-2025-03-20 models can be called until January 20, 2027. OpenAI's substitutes: gpt-realtime-2.1 for gpt-realtime and gpt-4o-realtime; gpt-realtime-2.1-mini for gpt-realtime-mini and gpt-4o-mini-realtime; gpt-audio-1.5 for gpt-audio, gpt-4o-audio, gpt-audio-mini and gpt-4o-mini-audio; gpt-4o-mini-transcribe-2025-12-15 for gpt-4o-mini-transcribe-2025-03-20.
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