falText to audioComing soon

fal-ai/f5-tts

Name: fal-ai/f5-tts
Brand: fal

fal-ai/f5-tts 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

Field	Kind	Default	Description
`gen_text` required	text	—	The text to be converted to speech. Maximum 5000 characters.
`ref_audio_url` required	text	—	The URL of the reference audio file.
`ref_text`	text		The reference text to be used for TTS. If not provided, an ASR (Automatic Speech Recognition) model will be used to generate the reference text.
`model_type` required	one of F5-TTS, E2-TTS	—	The name of the model to be used for TTS.
`remove_silence`	true or false	true	Whether to remove the silence from the audio file.

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/f5-tts",
    "input": {
      "gen_text": "I don'\''t really care what you call me. I'\''ve been a silent spectator, watching species evolve, empires rise and fall. But always remember, I am mighty and…",
      "ref_audio_url": "https://storage.googleapis.com/falserverless/example_inputs/reference_audio.wav",
      "model_type": "F5-TTS"
    }
  }'