falAudio to audioComing soon

fal-ai/personaplex/realtime

Name: fal-ai/personaplex/realtime
Brand: fal

fal-ai/personaplex/realtime is an audio 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
`prompt`	text	You are a wise and friendly teacher. Answer questions or provide advice in a clear and engaging way.	Text prompt describing the AI persona and conversation context.
`voice`	one of NATF0, NATF1, NATF2, NATF3, NATM0, NATM1, NATM2, NATM3, VARF0, VARF1, VARF2, VARF3, VARF4, VARM0, VARM1, VARM2, VARM3, VARM4	NATF2	Voice ID for the AI response. NAT = natural, VAR = variety. F = female, M = male. Ignored when voice_audio_url is provided.
`voice_audio_url`	text	—	URL to a voice sample audio for on-the-fly voice cloning. When provided, the AI responds in the cloned voice instead of the preset 'voice'. 10+ seconds of clear speech recommended. Billed at 2x rate.
`temperature_audio`	number 0 to 2	0.8	Audio sampling temperature. Higher values produce more diverse outputs.
`temperature_text`	number 0 to 2	0.7	Text sampling temperature. Higher values produce more diverse outputs.
`top_k_audio`	number (whole) 1 to 2048	250	Top-K sampling for audio tokens.
`top_k_text`	number (whole) 1 to 1000	25	Top-K sampling for text tokens.
`seed`	number (whole)	—	Random seed for reproducibility.
`audio_url` required	URL or file	—	URL to the input audio file (user's speech).

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/personaplex/realtime",
    "input": {
      "audio_url": "https://v3b.fal.media/files/b/0a8dd5a2/hS140ygvRuxn-eY_qPhlv_assets_test_input_service.wav"
    }
  }'