WhisperFastHigh

Whisper Diarization

Whisper transcription with speaker diarization (8M+ runs) — returns who said what, with per-segment speaker labels and timestamps. The go-to for meetings and interviews.

7 credits

per run

Speaker-labeled transcription (who said what)

Per-segment timestamps

Auto speaker-count detection (or specify)

Vocabulary prompt for names and jargon

English translation option

Run it right now

Test this model instantly in the Console Playground — no code required

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txtllms.txt ↗

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "thomasmol/whisper-diarization",
  "input": {
    "file_url": "https://example.com/interview.mp3",
    "num_speakers": 2,
    "language": "ko",
    "prompt": "코어닷투데이, API, 크레딧"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	No	-	Names, acronyms, and loanwords to improve accuracy
`file_string`	string	No	-	Either provide: Base64 encoded audio file,
`file_url`	string	No	-	Direct audio file URL (use this, or 'file' upload)
`file`	string	No	-	Or an audio file
`num_speakers`	integer	No	-	Number of speakers. Leave empty to auto-detect
`translate`	boolean	No	false	Translate the speech into English
`language`	string	No	-	Language code like 'ko', 'en'. Empty auto-detects

Common Parameters

Common parameters used when calling POST /v1/predictions.

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Model identifier
`input`	object	Yes	-	Object containing the model-specific parameters from the table above
`output_folder`	string	No	-	Folder path for output files (max 256 chars, '..' not allowed)
`webhook_url`	string	No	-	Webhook URL to call on completion
`is_public`	boolean	No	false	If true, output files are also available via permanent public URLs

Examples

Two-Person Interview

Transcribe with speaker labels for two speakers

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "thomasmol/whisper-diarization",
  "input": {
    "file_url": "https://example.com/interview.mp3",
    "num_speakers": 2,
    "language": "ko",
    "prompt": "코어닷투데이, API, 크레딧"
  }
}'