Question 1

How accurate is Japanese transcription with Whisper?

Accepted Answer

Whisper achieves around 8–15% WER on clear Japanese audio. It outputs in kanji/hiragana/katakana as appropriate. For formal speech (news, presentations, lectures) accuracy is highest. Casual conversation and heavy regional dialect use may have more errors.

Question 2

Does it output kanji, hiragana, and katakana correctly?

Accepted Answer

Yes. Whisper outputs Japanese in native script — the same mix of kanji, hiragana, and katakana you would expect in natural written Japanese. It does not romanize (romaji) the output by default.

Question 3

Can I get English subtitles from a Japanese video?

Accepted Answer

Yes. Transcribe the Japanese video, then use the Translate function to generate English text. Download as SRT or VTT for subtitles.

Question 4

Is Japanese transcription free?

Accepted Answer

Yes. Free tier includes 3 imports per month (resets on the 1st). Sign up for free to try.

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