falSpeech to textComing soon

fal-ai/wizper

Name: fal-ai/wizper
Brand: fal

fal-ai/wizper 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.

Price pending

Pricing

Price pending.

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. Supported formats: mp3, mp4, mpeg, mpga, m4a, wav or webm.
`task`	one of transcribe, translate	transcribe	Task to perform on the audio file. Either transcribe or translate.
`language`	one of af, am, ar, as, az, ba, be, bg, bn, bo, br, bs, ca, cs, cy, da, de, el, en, es, et, eu, fa, fi, fo, fr, gl, gu, ha, haw, he, hi, hr, ht, hu, hy, id, is, it, ja, jw, ka, kk, km, kn, ko, la, lb, ln, lo, lt, lv, mg, mi, mk, ml, mn, mr, ms, mt, my, ne, nl, nn, no, oc, pa, pl, ps, pt, ro, ru, sa, sd, si, sk, sl, sn, so, sq, sr, su, sv, sw, ta, te, tg, th, tk, tl, tr, tt, uk, ur, uz, vi, yi, yo, zh	en	Language of the audio file. If translate is selected as the task, the audio will be translated to English, regardless of the language selected. If `None` is passed, the language will be automatically detected. This will also increase the inference time.
`chunk_level`	text	segment	Level of the chunks to return.
`max_segment_len`	number (whole) 10 to 29	29	Maximum speech segment duration in seconds before splitting.
`merge_chunks`	true or false	true	Whether to merge consecutive chunks. When enabled, chunks are merged if their combined duration does not exceed max_segment_len.
`version`	text	3	Version of the model to use. All of the models are the Whisper large variant.

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": "fal-ai/wizper",
    "input": {
      "audio_url": "https://ihlhivqvotguuqycfcvj.supabase.co/storage/v1/object/public/public-text-to-speech/scratch-testing/earth-history-19mins.mp3"
    }
  }'