Video

Sync Lipsync 3.0

Credit-based pricing. Supports reference video.

Try Sync Lipsync 3.0 →Compare models

Output

video

Inputs

Reference audio (required)
Reference video (required)

Example prompt

Upload a portrait video and an audio track — Sync 3.0 delivers the sharpest phoneme accuracy yet

Try this prompt →

LLM-ready

API & LLM schema

Exact request contract for this model. Agents can fetch it from /api/v1/models?id=fal-ai/sync-lipsync/v3.

POST/api/v1/generate13 fields · 3 required

Field	Type	Requirement	Contract
`model_id`	constant	Required	ArtEmotion model identifier.
`extra`	object	Optional	Model-specific settings may also be nested here.
`max_credits`	number	Optional	Reject before submission if the estimated list price exceeds this cap. · Range: 1–…
`webhook_url`	string	Optional	Format: uri
`webhook_secret`	string	Optional	Optional model input.
`folder_id`	string	Optional	Optional model input.
`prompt`	string	Optional	Optional model input.
`sync_mode`	string	Optional	How to handle duration mismatch between audio and video. · Allowed: cut_off, loop, bounce, silence, remap · Default: cut_off
`model_mode`	string	Optional	Which region of the face to animate. 'Lips only' for minimal edits; 'Talking Head' for full head movement. · Allowed: , lips, face, head, lipsync, emotion, talking_head · Default:
`emotion`	string	Optional	Drive an emotional expression on the face alongside the lipsync. · Allowed: , happy, sad, angry, disgusted, surprised, neutral · Default:
`temperature`	number	Optional	How expressive the lipsync can be — 0 is least, 1 is most. Sync 3.0 also tunes this automatically. · Default: 0.5 · Range: 0–1
`video_url`	string	Required	Format: uri
`audio_url`	string	Required	Format: uri

Minimal request example

{
  "model_id": "fal-ai/sync-lipsync/v3",
  "video_url": "https://example.com/video",
  "audio_url": "https://example.com/audio"
}

Raw JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fsync-lipsync%2Fv3",
  "title": "Sync Lipsync 3.0 generation request",
  "description": "Request body accepted by POST /api/v1/generate for fal-ai/sync-lipsync/v3.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "fal-ai/sync-lipsync/v3",
      "description": "ArtEmotion model identifier."
    },
    "extra": {
      "type": "object",
      "additionalProperties": true,
      "description": "Model-specific settings may also be nested here."
    },
    "max_credits": {
      "type": "number",
      "minimum": 1,
      "description": "Reject before submission if the estimated list price exceeds this cap."
    },
    "webhook_url": {
      "type": "string",
      "format": "uri",
      "maxLength": 2048
    },
    "webhook_secret": {
      "type": "string",
      "maxLength": 512
    },
    "folder_id": {
      "type": "string"
    },
    "prompt": {
      "type": "string"
    },
    "sync_mode": {
      "title": "Sync Mode",
      "description": "How to handle duration mismatch between audio and video.",
      "default": "cut_off",
      "type": "string",
      "enum": [
        "cut_off",
        "loop",
        "bounce",
        "silence",
        "remap"
      ]
    },
    "model_mode": {
      "title": "Edit Region",
      "description": "Which region of the face to animate. 'Lips only' for minimal edits; 'Talking Head' for full head movement.",
      "default": "",
      "type": "string",
      "enum": [
        "",
        "lips",
        "face",
        "head",
        "lipsync",
        "emotion",
        "talking_head"
      ]
    },
    "emotion": {
      "title": "Emotion",
      "description": "Drive an emotional expression on the face alongside the lipsync.",
      "default": "",
      "type": "string",
      "enum": [
        "",
        "happy",
        "sad",
        "angry",
        "disgusted",
        "surprised",
        "neutral"
      ]
    },
    "temperature": {
      "title": "Expressiveness",
      "description": "How expressive the lipsync can be — 0 is least, 1 is most. Sync 3.0 also tunes this automatically.",
      "default": 0.5,
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "multipleOf": 0.05
    },
    "video_url": {
      "type": "string",
      "format": "uri"
    },
    "audio_url": {
      "type": "string",
      "format": "uri"
    }
  },
  "required": [
    "model_id",
    "video_url",
    "audio_url"
  ],
  "additionalProperties": false
}

Browse schemas for every ArtEmotion model →

FAQ

How much does Sync Lipsync 3.0 cost on ArtEmotion?

Credit-based pricing. You pay in ArtEmotion credits — every plan and top-up converts USD to credits at a fixed rate.

Do I get my credits back if Sync Lipsync 3.0 fails?

Yes — failed generations are never charged. The credits are released back to your balance automatically.

Can I call Sync Lipsync 3.0 from the API?

Yes. Use POST /api/v1/generate with model_id: "fal-ai/sync-lipsync/v3". See the API reference for the full schema.

Where are my generations stored?

Every output is saved to your personal Library. You can export or delete everything any time from Privacy & deletion.

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