`qwen3-tts-1.7b`

Qwen3 CustomVoice 1.7B. language, voice, and instruct.

Native waveform: 24 kHz mono. Live price and availability are on GET /v1/models/qwen3-tts-1.7b.

Parameters

Field	Type	Description
`params.language` Default Auto	string	Qwen3-TTS only. Auto or one of Chinese, English, Japanese, Korean, German, French, Russian, Portuguese, Spanish, Italian. Default Auto.
`params.voice` Default vivian	string	Qwen3-TTS CustomVoice only. vivian, serena, uncle_fu, dylan, eric, ryan, aiden, ono_anna, or sohee. Default vivian. Rejected on clone and design.
`params.instruct` Default omitted	string	Qwen3-TTS 1.7B CustomVoice only. Style instruction. Rejected on 0.6B.
`params.output_format` Default wav (flac for stems)	string	wav, flac, mp3, or model (the model native file).
`params.output_sample_rate` Default source	string or integer	source keeps the upload (or the model rate when there is no upload). model uses the model native rate. Or pass 8000, 16000, 22050, 24000, 32000, 44100, or 48000.
`params.output_channels` Default source	string	source, model, mono, or stereo. Applied after inference, not before.

Example

curl https://api.pascalai.co/v1/text-to-speech \
  -H "Authorization: Bearer $PASCAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "model": "qwen3-tts-1.7b",
  "text": "Keep walking toward the river.",
  "params": {
    "language": "Auto",
    "voice": "vivian",
    "output_format": "wav",
    "output_sample_rate": "source",
    "output_channels": "source"
  }
}'

curl https://api.pascalai.co/v1/text-to-speech/$JOB_ID \
  -H "Authorization: Bearer $PASCAL_API_KEY"