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 239-second chunks (119-second chunks in SRT subtitle mode for more accurate timing) 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. Prompt example 1: (Upload a customer interview recorded in a noisy cafe as an m4a file and send it as is) Prompt example 2: (Upload a 5-minute product intro video in mp4, choose Output SRT subtitle file, then send it as is) Prompt example 3: (Upload a book launch recording in mp3, enter the book title and author name in Name and term hints, then send it as is) Prompt example 4: (Upload a safety briefing recorded on a construction site with machinery noise in the background as an mp3 file and send it as is) Prompt example 5: (Upload a technical presentation given in English by an engineer from India in mp4, set the language to English (India), then send it as is) Prompt example 6: (Upload a law seminar recording in mp3, enter provisional attachment, payment order, enforcement in Name and term hints, then send it as is) Prompt example 7: (Upload an 8-minute TV news feature video in mov, choose Output SRT subtitle file, then send it as is) Prompt example 8: (Upload an interview in m4a where a Vietnamese caregiver shares her work experience, set the language to Vietnamese, then send it as is) Prompt example 9: (Upload a groom's wedding speech video in mp4 recorded at the banquet with music in the background, choose Output SRT subtitle file, then send it as is) Prompt example 10: (Upload a master's thesis defense recording in m4a, enter convolutional neural network, transfer learning, Professor Alan Reed in Name and term hints, then send it as is) Maximum total upload size per request: 512MB (all files and message content combined). Output content formats: Text Pricing: Medium Continuous conversation: Not supported AI can make mistakes. Please verify important information.