Video
AI Avatar Text (MultiTalk)
Credit-based pricing. Supports image-to-video.
Output
video
Resolution
480p, 720p
Inputs
- Start image (required)
Example prompt
Upload a portrait photo, type what the avatar should say, pick a voice — AI Avatar generates a talking video with lip-sync and natural expressionsTry this prompt →
LLM-ready
API & LLM schema
Exact request contract for this model. Agents can fetch it from /api/v1/models?id=fal-ai/ai-avatar/single-text.
POST
/api/v1/generate14 fields · 4 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. |
acceleration | string | Optional | The acceleration level to use for generation. · Allowed: none, regular, high · Default: regular |
seed | integer | Optional | Random seed for reproducibility. If None, a random seed is chosen. · Default: 42 · Range: 0–4294967295 |
text_input | string | Required | The text input to guide video generation. |
voice | string | Required | The voice to use for speech generation · Allowed: Aria, Roger, Sarah, Laura, Charlie, George, Callum, River, Liam, Charlotte, Alice, Matilda, Will, Jessica, Eric, Chris, Brian, Daniel, Lily, Bill |
num_frames | number | Optional | Number of frames to generate (41-721, ~16fps). Frames above 81 are billed at 1.25×. · Default: 145 · Range: 41–721 |
resolution | string | Optional | Allowed: 480p, 720p |
image_url | string | Required | Format: uri |
Minimal request example
{
"model_id": "fal-ai/ai-avatar/single-text",
"text_input": "your_text_input",
"voice": "Aria",
"image_url": "https://example.com/image"
}Raw JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fai-avatar%2Fsingle-text",
"title": "AI Avatar Text (MultiTalk) generation request",
"description": "Request body accepted by POST /api/v1/generate for fal-ai/ai-avatar/single-text.",
"type": "object",
"properties": {
"model_id": {
"type": "string",
"const": "fal-ai/ai-avatar/single-text",
"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"
},
"acceleration": {
"title": "Acceleration",
"description": "The acceleration level to use for generation.",
"default": "regular",
"type": "string",
"enum": [
"none",
"regular",
"high"
]
},
"seed": {
"title": "Seed",
"description": "Random seed for reproducibility. If None, a random seed is chosen.",
"default": 42,
"type": "integer",
"minimum": 0,
"maximum": 4294967295
},
"text_input": {
"title": "Text Input",
"description": "The text input to guide video generation.",
"type": "string"
},
"voice": {
"title": "Voice",
"description": "The voice to use for speech generation",
"type": "string",
"enum": [
"Aria",
"Roger",
"Sarah",
"Laura",
"Charlie",
"George",
"Callum",
"River",
"Liam",
"Charlotte",
"Alice",
"Matilda",
"Will",
"Jessica",
"Eric",
"Chris",
"Brian",
"Daniel",
"Lily",
"Bill"
]
},
"num_frames": {
"title": "Num Frames",
"description": "Number of frames to generate (41-721, ~16fps). Frames above 81 are billed at 1.25×.",
"default": 145,
"type": "number",
"minimum": 41,
"maximum": 721,
"multipleOf": 1
},
"resolution": {
"type": "string",
"enum": [
"480p",
"720p"
]
},
"image_url": {
"type": "string",
"format": "uri"
}
},
"required": [
"model_id",
"text_input",
"voice",
"image_url"
],
"additionalProperties": false
}FAQ
How much does AI Avatar Text (MultiTalk) 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 AI Avatar Text (MultiTalk) fails?
Yes — failed generations are never charged. The credits are released back to your balance automatically.
Can I call AI Avatar Text (MultiTalk) from the API?
Yes. Use POST /api/v1/generate with model_id: "fal-ai/ai-avatar/single-text". 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.
Ready to generate with AI Avatar Text (MultiTalk)?
Start now →No commitment. New accounts get 50 free credits on signup. See pricing.