Whisper Large v3 is OpenAI’s open-source model for automatic speech recognition (ASR) and speech translation. Trained on over 5 million hours of labeled data, it demonstrates strong generalization across datasets and domains, excelling in zero-shot transcription and translation tasks. It supports 99+ languages and accepts common audio formats including mp3, mp4, wav, webm, flac, and ogg. With 1,550M parameters, it achieves a 10.3% word error rate and suits multilingual transcription in noisy, demanding conditions. It supports timestamp granularities at word and segment levels.
$0.0002
Share of requests served without a server error. Client errors (4xx) do not count.
Works with the OpenAI SDK pointed at our base URL. Every parameter is in the API reference.
Length of audio transcribed per day on NagaAI, counted since November 2026.
Whisper Large v3 is OpenAI’s open-source model for automatic speech recognition (ASR) and speech translation. Trained on over 5 million hours of labeled data, it demonstrates strong generalization across datasets and domains, excelling in zero-shot transcription and translation tasks.
On NagaAI, Whisper Large v3 costs about $0.0002 per minute. You pay only for what you use, with no subscription.
It takes audio as input and returns text.
Create an API key, copy the model ID from the top of this page and send requests with the OpenAI SDK pointed at NagaAI. The API section on this page has a ready example.
