falSpeech to textComing soon

nvidia/nemotron-asr-multilingual/asr

Name: nvidia/nemotron-asr-multilingual/asr
Brand: fal

nvidia/nemotron-asr-multilingual/asr 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

$0.0104 per minute. 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	—	URL of the audio file to transcribe.
`language`	one of auto, en-US, en-GB, es-US, es-ES, de-DE, fr-FR, fr-CA, it-IT, ar-AR, ja-JP, ko-KR, pt-BR, pt-PT, ru-RU, hi-IN, zh-CN, vi-VN, he-IL, nl-NL, cs-CZ, da-DK, pl-PL, nn-NO, nb-NO, sv-SE, th-TH, tr-TR, bg-BG, el-GR, et-EE, fi-FI, hr-HR, hu-HU, lt-LT, lv-LV, ro-RO, sk-SK, uk-UA, mt-MT, sl-SI	auto	Target language for transcription (language-ID prompt). 'auto' lets the model detect the language.
`acceleration`	one of none, regular, high, full	regular	Controls the speed/accuracy trade-off. 'none' = best accuracy (1.12s chunks), 'regular' = balanced (0.56s chunks), 'high' = faster (0.32s chunks), 'full' = fastest (0.08s chunks).

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": "nvidia/nemotron-asr-multilingual/asr",
    "input": {
      "audio_url": "https://v3b.fal.media/files/b/0a9c95c6/qxxx5skDQl8fPqbkjpxBc_speech.mp3"
    }
  }'