Output
image
Aspect ratio
1:1, 16:9, 9:16, 4:3, 3:4, Custom
Resolution
1024, 2048
Max batch
4
Inputs
- Batch up to 4 per request
Example prompt
Photorealistic closeup video of two pirate ships battling each other as they sail inside a cup of coffee.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/pixart-sigma.
POST
/api/v1/generate17 fields · 2 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 | Required | Optional model input. |
scheduler | string | Optional | The scheduler to use for the model. · Allowed: DPM-SOLVER, SA-SOLVER · Default: DPM-SOLVER |
seed | integer | Optional | The same seed and the same prompt given to the same version of Stable Diffusion will output the same image every time. |
guidance_scale | number | Optional | The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show · Default: 4.5 · Range: 1–10 |
num_inference_steps | number | Optional | The number of inference steps to perform. · Default: 35 · Range: 5–50 |
style | string | Optional | The style to apply to the image. · Allowed: (No style), Cinematic, Photographic, Anime, Manga, Digital Art, Pixel art, Fantasy art, Neonpunk, 3D Model · Default: (No style) |
negative_prompt | string | Optional | The negative prompt to use. Use it to address details that you don't want in the image. This could be colors, objects, scenery and even the small deta · Default: |
enable_safety_checker | boolean | Optional | If set to true, the safety checker will be enabled. · Default: false |
aspect_ratio | string | Optional | Allowed: 1:1, 16:9, 9:16, 4:3, 3:4, Custom |
resolution | string | Optional | Allowed: 1024, 2048 |
num_images | integer | Optional | Range: 1–4 |
Minimal request example
{
"model_id": "fal-ai/pixart-sigma",
"prompt": "Photorealistic closeup video of two pirate ships battling each other as they sail inside a cup of coffee."
}Raw JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fpixart-sigma",
"title": "PixArt Sigma generation request",
"description": "Request body accepted by POST /api/v1/generate for fal-ai/pixart-sigma.",
"type": "object",
"properties": {
"model_id": {
"type": "string",
"const": "fal-ai/pixart-sigma",
"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"
},
"scheduler": {
"title": "Scheduler",
"description": "The scheduler to use for the model.",
"default": "DPM-SOLVER",
"type": "string",
"enum": [
"DPM-SOLVER",
"SA-SOLVER"
]
},
"seed": {
"title": "Seed",
"description": "The same seed and the same prompt given to the same version of Stable Diffusion will output the same image every time.",
"type": "integer"
},
"guidance_scale": {
"title": "Guidance Scale",
"description": "The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show",
"default": 4.5,
"type": "number",
"minimum": 1,
"maximum": 10,
"multipleOf": 0.1
},
"num_inference_steps": {
"title": "Num Inference Steps",
"description": "The number of inference steps to perform.",
"default": 35,
"type": "number",
"minimum": 5,
"maximum": 50,
"multipleOf": 1
},
"style": {
"title": "Style",
"description": "The style to apply to the image.",
"default": "(No style)",
"type": "string",
"enum": [
"(No style)",
"Cinematic",
"Photographic",
"Anime",
"Manga",
"Digital Art",
"Pixel art",
"Fantasy art",
"Neonpunk",
"3D Model"
]
},
"negative_prompt": {
"title": "Negative Prompt",
"description": "The negative prompt to use. Use it to address details that you don't want in the image. This could be colors, objects, scenery and even the small deta",
"default": "",
"type": "string"
},
"enable_safety_checker": {
"title": "Enable Safety Checker",
"description": "If set to true, the safety checker will be enabled.",
"default": false,
"type": "boolean"
},
"aspect_ratio": {
"type": "string",
"enum": [
"1:1",
"16:9",
"9:16",
"4:3",
"3:4",
"Custom"
]
},
"resolution": {
"type": "string",
"enum": [
"1024",
"2048"
]
},
"num_images": {
"type": "integer",
"minimum": 1,
"maximum": 4
}
},
"required": [
"model_id",
"prompt"
],
"additionalProperties": false
}FAQ
How much does PixArt Sigma 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 PixArt Sigma fails?
Yes — failed generations are never charged. The credits are released back to your balance automatically.
Can I call PixArt Sigma from the API?
Yes. Use POST /api/v1/generate with model_id: "fal-ai/pixart-sigma". 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 PixArt Sigma?
Start now →No commitment. New accounts get 50 free credits on signup. See pricing.