Kotoba STT

Transcriptions

kotoba-stt

Kotoba Technologies|Created Oct 31, 2026

Transcriptions

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.

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Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

with open("audio.mp3", "rb") as f:
    transcription = client.audio.transcriptions.create(
        model="kotoba-stt",
        file=f,
        prompt=None,
        language=None,
    )
print(transcription.text)