OpenAI
OpenAI: Whisper 1
openai/whisper-1
Whisper is OpenAI's open-source automatic speech recognition model, available via API as `whisper-1`. It supports transcription and translation across 50+ languages from audio files up to 25 MB. Accepts formats including mp3, mp4, wav, and webm. Priced per minute of audio duration, billed to the nearest second.
Input
$100
/ 1M tokens · Token reference
Output
$0
/ 1M tokens · Token reference
Context window
Not published
tokens
Transcription output · Token reference fields do not establish an output-unit price.
Model facts
Author
OpenAI
Tokenizer
GPT
Modality
Audio -> Transcription
Created
Apr 27, 2026
Publication status
Hugging Face: not mappedLicense: not publishedParameter count: not published
Modalities
Input · AudioOutput · Transcription