falText to speechComing soon

fal-ai/qwen-3-tts/voice-design/1.7b

fal-ai/qwen-3-tts/voice-design/1.7b is a text to speech tool from fal that runs in the background and returns audio. 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

$0.117 per 1,000 characters of text. The final charge comes from usage.

Limits

Runs
In the background
Returns
audio
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

FieldKindDefaultDescription
text requiredtext—The text to be converted to speech.
languageone of
Auto, English, Chinese, Spanish, French, German, Italian, Japanese, Korean, Portuguese, Russian
AutoThe language of the voice to be designed.
prompt requiredtext—Optional prompt to guide the style of the generated speech.
top_knumber (whole)
0 to …
50Top-k sampling parameter.
top_pnumber
0 to 1
1Top-p sampling parameter.
temperaturenumber
… to 1
0.9Sampling temperature; higher => more random.
repetition_penaltynumber
0 to …
1.05Penalty to reduce repeated tokens/codes.
subtalker_dosampletrue or falsetrueSampling switch for the sub-talker.
subtalker_top_knumber (whole)
0 to …
50Top-k for sub-talker sampling.
subtalker_top_pnumber
0 to 1
1Top-p for sub-talker sampling.
subtalker_temperaturenumber
0 to 1
0.9Temperature for sub-talker sampling.
max_new_tokensnumber (whole)
1 to 8192
200Maximum number of new codec tokens to generate.

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/qwen-3-tts/voice-design/1.7b",
    "input": {
      "text": "It'\''s in the top drawer... wait, it'\''s empty? No way, that'\''s impossible! I'\''m sure I put it there!",
      "prompt": "Speak in an incredulous tone, but with a hint of panic beginning to creep into your voice."
    }
  }'