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nova-3

Name: nova-3
Brand: Deepgram
Availability: InStock

nova-3 is a speech to text tool from Deepgram that runs in the background and returns structured JSON. Pay as you go from $0.000028168 per second, with one API key.

Try itfrom $0.000028168 / second

Pricing

$0.00559 per minute. redact on adds $0.0026 per minute. keyterm adds $0.00169 per minute. detect_entities adds $0.00221 per minute. Measured from the input file, rounded up. Each audio channel counts when multichannel is on. 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
`url` required	URL or file	—	Audio file URL to transcribe
`extra`	JSON	—	Arbitrary key-value pairs that are attached to the API response for usage in downstream processing
`redact`	JSON	—	Redaction removes sensitive information from your transcripts
`search`	JSON	—	Search for terms or phrases in submitted audio
`diarize`	true or false	—	Deprecated: use `diarize_model` instead. Recognize speaker changes. Each word in the transcript will be assigned a speaker number starting at 0. Cannot be sent together with `diarize_model`.
`keyterm`	list	—	Key term prompting improves recognition of specialized terminology and brands.
`replace`	JSON	—	Search for terms or phrases in submitted audio and replaces them
`encoding`	one of linear16, flac, mulaw, amr-nb, amr-wb, opus, speex, g729	—	Specify the expected encoding of your submitted audio
`keywords`	JSON	—	Keywords can boost or suppress specialized terminology and brands. `keywords` is not supported with Nova-3 models; use `keyterm` instead.
`language`	one of af, af-ZA, ar, ar-AE, ar-DZ, ar-EG, ar-IQ, ar-IR, ar-JO, ar-KW, ar-LB, ar-MA, ar-PS, ar-QA, ar-SA, ar-SD, ar-SY, ar-TD, ar-TN, as, as-IN, be, be-BY, bg, bg-BG, bn, bn-IN, bs, bs-BA, ca, cs, cs-CZ, cy, da, da-DK, de, de-AT, de-CH, de-DE, el, en, en-AU, en-CA, en-GB, en-IN, en-NZ, en-US, es, es-419, es-AR, es-ES, es-MX, es-US, et, et-EE, eu, fa, fi, fr, fr-BE, fr-CA, fr-CH, fr-FR, gl, gu, gu-IN, he, hi, hr, hr-HR, hu, hu-HU, hy, hy-AM, id, id-ID, is, it, it-IT, ja, ja-JP, ka, ka-GE, kk, kk-KZ, kn, kn-IN, ko, ko-KR, lg, lt, lt-LT, lv, lv-LV, mk, mk-MK, ml, mn, mr, mr-IN, ms, nb, ne, nl, nl-BE, nl-NL, no, no-NO, pa, pa-IN, pl, pl-PL, ps, ps-AF, pt, pt-BR, pt-PT, ro, ru, ru-Latn, ru-RU, si, sk, sk-SK, sl, sl-SI, sl-SL, sr, sr-RS, sv, sv-SE, sw, ta, ta-IN, te, te-IN, th, th-TH, tl, tr, tr-TR, uk, ur, ur-PK, uz, vi, vi-VN, xh, zh, zh-CN, zh-HK, zh-Hans, zh-Hant, zh-TW, zu	en	The [BCP-47 language tag](https://tools.ietf.org/html/bcp47) that hints at the primary spoken language.
`numerals`	true or false	false	Numerals converts numbers from written format to numerical format
`dictation`	true or false	false	Dictation mode for controlling formatting with dictated speech
`punctuate`	true or false	false	Add punctuation and capitalization to the transcript
`utt_split`	number	0.8	Seconds to wait before detecting a pause between words in submitted audio
`paragraphs`	true or false	false	Splits audio into paragraphs to improve transcript readability
`utterances`	true or false	false	Segments speech into meaningful semantic units
`filler_words`	true or false	false	Filler Words can help transcribe interruptions in your audio, like "uh" and "um"
`measurements`	true or false	false	Spoken measurements will be converted to their corresponding abbreviations
`multichannel`	true or false	false	Transcribe each audio channel independently
`smart_format`	true or false	false	Apply formatting to transcript output. When set to true, additional formatting will be applied to transcripts to improve readability
`diarize_model`	one of latest, v1, v2	—	Select and enable a specific diarization model version.
`language_hint`	JSON	—	Biases language detection toward one or more languages on Nova-3 multilingual (`language` = `multi`); ignored with any other `language`. Pass a list for several codes. A code that is not in the Nova-3 multilingual language list fails the request.
`detect_entities`	true or false	false	Identifies and extracts key entities from content in submitted audio
`detect_language`	JSON	—	Identifies the dominant language spoken in submitted audio
`profanity_filter`	true or false	false	Profanity Filter looks for recognized profanity and converts it to the nearest recognized non-profane word or removes it from the transcript completely

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": "deepgram",
    "model": "nova-3",
    "input": {
      "url": "<url>"
    }
  }'