Kotoba STT is a speech-to-text model from Kotoba Technologies for accurate transcription of an audio clip in one request, with word timestamps, tuned for Japanese and East Asian languages.
$0.0021
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.
Kotoba STT is a speech-to-text model from Kotoba Technologies for accurate transcription of an audio clip in one request, with word timestamps, tuned for Japanese and East Asian languages.
On NagaAI, Kotoba STT costs about $0.0021 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.
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