OpenAI Realtime API suddenly stopped returning voice responses as of 2025-05-20 9:30AM UTC

Our realtime/sessions request was successful, but gpt-4o-mini-realtime and gpt-4o-realtime aren’t responding with audio.

This was working 4 hours ago, and we’re not hitting API rate limits as well.

Our request body:

{
      model: "gpt-4o-mini-realtime-preview-2024-12-17",
      voice: "sage",  // Use the voice from query params
      instructions: "some-long-prompt-here",
      input_audio_transcription: {
        model: "gpt-4o-transcribe"
      },
      turn_detection: {
        silence_duration_ms: 1000,
        type: "server_vad"
      },
}