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Test OpenAI GPT-4o Transcribe Diarize (global) Live

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Supports MP3, M4A, WAV, OGG

Up to 30 minutes of audio; longer recordings accepted up to 4 hours.

Input Language

Processing Options

Normalize AudioAuto-convert to 16kHz WAV mono for best results

Advanced Options

Use Native Configuration Mode

Enables raw parameter access for OpenAI GPT-4o Transcribe Diarize (global). Disables universal options.

Speaker Diarization

Identifies different speakers in the audio and labels their speech.

Speaker Count HintNot supported by all selected

Min Speakers

Max Speakers

Provides a hint for the minimum and maximum number of expected speakers to improve diarization accuracy.

Custom VocabularyNot supported by all selected

Boosts the recognition probability of specific words or phrases, such as proper nouns or domain-specific terms. Provide one phrase per line.

Filter ProfanityNot supported by all selected

Detects and masks profane words in the transcript.

Smart FormattingNot supported by all selected

Converts transcribed numbers, dates, and currency into a more readable format (e.g., "twenty dollars" becomes "$20").

Automatic PunctuationNot supported by all selected

Automatically inserts punctuation like periods, commas, and question marks into the transcript.

These universal options are mapped to provider-specific features.

languagestring

Language

Primary language of the audio

These are the provider's native API parameters — shown exactly as exposed by the vendor.

temperature

Sampling temperature from 0 to 1. Leave blank to use OpenAI's default.

OpenAI transcription model with built-in speaker diarization and timestamped speaker segments

A detailed pricing breakdown will be available here shortly. For now, please refer to the provider's official website.