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Tada TTS 1B

Integrate

Model id tada/1b/text-to-speech
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/tada/1b/text-to-speech?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "audio": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3",
    "prompt": "Hello from Doitong. This is a short test sentence."
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

This request: $0.003 3 API credits Run it on this page

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Open model Text to Speech

Voice-cloning text-to-speech from a reference audio clip, 1B variant with ten languages

Open model · Audio

Your first result goes here

Build a request below and run it with your API key. Outputs are copied to our storage, kept forever or 7 days for free.

Build a request

Controls are generated from the model schema. The code and the price update as you change them.

•required

Speech content supplied as text; the reference speaker provides the voice used to render it.

•required audio_url
Drop a file, or

Voice-cloning source supplied as an audio file URL, identifying the speaker whose vocal characteristics the model should reproduce.

Advanced output_format · transcript · language · num_extra_steps · temperature · top_p · repetition_penalty · acoustic_cfg_scale · noise_temperature · num_inference_steps · speed_up_factor · enable_safety_checker
output_format default wav

File format for the generated audio.

default

Reference-audio transcript that must be supplied for recordings in languages other than English; automatic transcription is built in for English only.

default en

Text-alignment language code, which must correspond to the synthesis language when generating speech in a language other than English.

default 0

Extra autoregressive step count for adding trailing prosody or silence by continuing speech past the supplied text.

default 0.6

Text-token sampling temperature: increasing it adds output variety, and 0 or lower is not permitted.

default 0.9

Top-p (nucleus) sampling setting used to generate text.

default 1.1

Penalty for token repetition while generating output.

default 1.6

Classifier-free guidance strength used to generate acoustic features.

default 0.9

Noise temperature used during flow-matching diffusion.

default 20

ODE solver step count used to generate acoustics through flow matching.

default 1

Speech-speed multiplier: generated speech becomes slower below 1.0 and faster above 1.0.

POST /run/tada/1b/text-to-speech?wait=20 quote → $0.003
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/tada/1b/text-to-speech?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "audio": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3",
    "prompt": "Hello from Doitong. This is a short test sentence."
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Run this request

Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key

About Tada TTS 1B

Speaks the `prompt` text in the voice of a reference clip given as `audio_url`. A `transcript` of the reference is needed for non-English audio. `language` supports en, ar, ch, de, es, fr, it, ja, pl and pt. Tuning includes `speed_up_factor` (0.5 to 2), `temperature`, `top_p` and `num_inference_steps`; output is wav or mp3.

Parameters

Send either the canonical name or the native name, not both. Canonical names

NameType DefaultAllowed Description
audio_urlrequired audio
Typeurl · audio
Voice-cloning source supplied as an audio file URL, identifying the speaker whose vocal characteristics the model should reproduce.
transcriptoptional
Typestring
Default
Reference-audio transcript that must be supplied for recordings in languages other than English; automatic transcription is built in for English only.
promptrequired
Typestring
Speech content supplied as text; the reference speaker provides the voice used to render it.
languageoptional
Typeenum
Defaulten
enarchdeesfritjaplpt
Text-alignment language code, which must correspond to the synthesis language when generating speech in a language other than English.
num_extra_stepsoptional
Typeinteger
Default0
0 – 50
Extra autoregressive step count for adding trailing prosody or silence by continuing speech past the supplied text.
temperatureoptional
Typenumber
Default0.6
≤ 2> 0
Text-token sampling temperature: increasing it adds output variety, and 0 or lower is not permitted.
top_poptional
Typenumber
Default0.9
0 – 1
Top-p (nucleus) sampling setting used to generate text.
repetition_penaltyoptional
Typenumber
Default1.1
1 – 2
Penalty for token repetition while generating output.
acoustic_cfg_scaleoptional
Typenumber
Default1.6
0 – 10
Classifier-free guidance strength used to generate acoustic features.
noise_temperatureoptional
Typenumber
Default0.9
0 – 2
Noise temperature used during flow-matching diffusion.
num_inference_stepsoptional
Typeinteger
Default20
1 – 50
ODE solver step count used to generate acoustics through flow matching.
speed_up_factoroptional
Typenumber
Default1
0.5 – 2
Speech-speed multiplier: generated speech becomes slower below 1.0 and faster above 1.0.
output_formatoptional
Typeenum
Defaultwav
wavmp3
File format for the generated audio.
enable_safety_checkeroptional
Typeboolean
Defaulttrue
Screening can be relaxed by setting false, provided the caller is authorized.
required Canonical name, also accepted

File parameters take a public https:// URL, a data: URI up to 10 MB, or the file_url of an upload. Files

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "tada/1b/text-to-speech",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 3,
    "usd": "0.003",
    "charged": 3,
    "refunded": 0
  },
  "input": {
    "audio_url": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3",
    "prompt": "Hello from Doitong. This is a short test sentence."
  },
  "output": {
    "audio": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp3",
      "content_type": "audio/mpeg",
      "file_name": "0-output.mp3",
      "file_size": 1843200,
      "duration": 5,
      "channels": 1,
      "sample_rate": 1,
      "bitrate": "string"
    }
  },
  "outputs": [
    {
      "type": "audio",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp3",
      "content_type": "audio/mpeg",
      "file_size": 1843200,
      "duration": 12,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Your files, your choiceEvery outputs[].url is a copy on our storage: kept forever (paid per GB-month) or 7 days for free, by your account setting or ?storage=.
Same shape on every modeltype, url, content_type, width, height and duration, for images, video and audio alike. output is the model’s own result object.
Fields of output
audio
object {url, content_type, file_name, file_size, duration, channels, sample_rate, bitrate}Audio file containing the synthesized speech.

More models: Text to Speech

For AI agents: this page as Markdown is at https://doitong.com/developers/models/tada/1b/text-to-speech.md. All models and guides: https://doitong.com/developers/llms.txt