falSpeech to textComing soon

kotoba-technologies/kotoba-stt/v1/speech-to-text

Name: kotoba-technologies/kotoba-stt/v1/speech-to-text
Brand: fal

kotoba-technologies/kotoba-stt/v1/speech-to-text is a speech to text tool from fal that runs in the background and returns structured JSON. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Priced by usage

Pricing

$0.000090279 per second. Measured from the input file. The final charge comes from usage.

Limits

Runs: In the background
Returns: json
Longest queue wait: 3600s
Run deadline: 1800s
Largest inline input: 1024 KB
Largest input file: 500 MB
Largest output: 4768 MB
Outputs per run: 16

Input

Field	Kind	Default	Description
`audio_url` required	URL or file	—	Speech to transcribe: an https:// URL on fal's CDN (Playground uploads and microphone recordings) or a base64 data: URI. Up to 2 minutes.
`language` required	one of ja, en, ko, zh, es, zh-hk, zh-tw, auto	—	Language spoken in the audio.
`with_timestamps`	true or false	false	Return `words` with start and end times for each word.
`diarization`	true or false	false	Attribute words to speakers (`speaker_id` on each word; models with speaker tokens only). Word times are null unless `with_timestamps` is also set.
`keywords`	list	—	Up to 1000 terms of at most 64 characters, such as names or product words, whose spelling the transcript should prefer.
`kana`	true or false	false	Write personal and place names in katakana (Japanese).

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "kotoba-technologies/kotoba-stt/v1/speech-to-text",
    "input": {
      "audio_url": "<audio_url>",
      "language": "ja"
    }
  }'