falText to audioComing soon

fal-ai/ltx-2.3-quality/text-to-audio/lora

fal-ai/ltx-2.3-quality/text-to-audio/lora is a text to audio 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.

Price pending

Pricing

Price pending.

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
prompt requiredtext—The prompt to generate the audio from.
num_framesnumber (whole)
9 to 481
121The audio duration expressed in LTX video-frame units. Duration is approximately num_frames / frames_per_second seconds.
frames_per_secondnumber
1 to 60
24Frame rate used to derive the generated audio duration.
num_inference_stepsnumber (whole)
8 to 30
15Number of inference steps.
guidance_scalenumber
1 to 20
1Classifier-free guidance scale.
negative_prompttextpc game, console game, video game, cartoon, childish, uglyThe negative prompt to steer generation away from.
seednumber (whole)—Random seed for reproducibility. If None, a random seed is chosen.
enable_prompt_expansiontrue or falsefalseWhether to enable prompt expansion.
loras requiredJSON—Up to 3 LoRAs to apply on top of LTX-2.3. Each path is downloaded through the registry SSRF-safe downloader before it is loaded. Max size: 3 GB per LoRA.

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/ltx-2.3-quality/text-to-audio/lora",
    "input": {
      "prompt": "A woman says: '\''Oh, what a lovely day we are having!'\'' Natural speech, clean studio audio.",
      "loras": {}
    }
  }'