Speech Recognition gpt-4o-transcribe is powered by OpenAI's next-generation cloud transcription model, the successor to the older whisper-1 endpoint. Compared to whisper-1, it delivers noticeably better accuracy in noisy environments, smoother handling of mixed-language speech, stronger recognition of proper nouns and accents, and produces transcripts with better sentence structure and punctuation. Just upload an audio or video file (mp3, wav, m4a, ogg, mp4, mov, webm); the system splits it into 59-second chunks for stability on long recordings, sends each chunk to OpenAI in the cloud, and merges the results into a single output. You get both a plain-text transcript and SRT subtitles — drop the SRT straight into Premiere, DaVinci Resolve, YouTube, or Vimeo, and feed the transcript into the summary, translation, or meeting-notes modules for further processing. Best suited for meeting minutes, interviews, podcasts, online-course recordings, and subtitle drafts when you need top-tier accuracy.