
Output
image
Aspect ratio
1:1, 16:9, 9:16, 4:3, 3:4, 21:9, 9:21, Custom
Resolution
512, 1024, 2048, 4096
Max batch
4
Inputs
- Batch up to 4 per request
Example prompt
A diver descending rapidly through deep ocean water surrounded by dozens of giant jellyfish in dynamic motion. Long flowing tentacles swirl and twist, light rays cut sharply from above. Cinematic underwater chaos, layered composition, ultra detailed.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/flux-1/schnell.
POST
/api/v1/generate16 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. |
acceleration | string | Optional | The speed of the generation. The higher the speed, the faster the generation. · Allowed: none, regular, high · Default: none |
num_inference_steps | number | Optional | The number of inference steps to perform. · Default: 4 · Range: 1–12 |
guidance_scale | number | Optional | Guidance Scale — how closely the model follows the prompt. · Default: 3.5 · Range: 1–20 |
seed | integer | Optional | The same seed and the same prompt given to the same version of the model will output the same image every time. |
enable_safety_checker | boolean | Optional | If set to true, the safety checker will be enabled. · Default: true |
output_format | string | Optional | The format of the generated image. · Allowed: jpeg, png · Default: jpeg |
aspect_ratio | string | Optional | Allowed: 1:1, 16:9, 9:16, 4:3, 3:4, 21:9, 9:21, Custom |
resolution | string | Optional | Allowed: 512, 1024, 2048, 4096 |
num_images | integer | Optional | Range: 1–4 |
Minimal request example
{
"model_id": "fal-ai/flux-1/schnell",
"prompt": "A diver descending rapidly through deep ocean water surrounded by dozens of giant jellyfish in dynamic motion. Long flowing tentacles swirl and twist, light rays cut sharply from above. Cinematic underwater chaos, layered composition, ultra detailed."
}Raw JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fflux-1%2Fschnell",
"title": "Flux 1 Schnell generation request",
"description": "Request body accepted by POST /api/v1/generate for fal-ai/flux-1/schnell.",
"type": "object",
"properties": {
"model_id": {
"type": "string",
"const": "fal-ai/flux-1/schnell",
"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 speed of the generation. The higher the speed, the faster the generation.",
"default": "none",
"type": "string",
"enum": [
"none",
"regular",
"high"
]
},
"num_inference_steps": {
"title": "Steps",
"description": "The number of inference steps to perform.",
"default": 4,
"type": "number",
"minimum": 1,
"maximum": 12,
"multipleOf": 1
},
"guidance_scale": {
"title": "Guidance Scale",
"description": "Guidance Scale — how closely the model follows the prompt.",
"default": 3.5,
"type": "number",
"minimum": 1,
"maximum": 20,
"multipleOf": 0.1
},
"seed": {
"title": "Seed",
"description": "The same seed and the same prompt given to the same version of the model will output the same image every time.",
"type": "integer"
},
"enable_safety_checker": {
"title": "Enable Safety Checker",
"description": "If set to true, the safety checker will be enabled.",
"default": true,
"type": "boolean"
},
"output_format": {
"title": "Output Format",
"description": "The format of the generated image.",
"default": "jpeg",
"type": "string",
"enum": [
"jpeg",
"png"
]
},
"aspect_ratio": {
"type": "string",
"enum": [
"1:1",
"16:9",
"9:16",
"4:3",
"3:4",
"21:9",
"9:21",
"Custom"
]
},
"resolution": {
"type": "string",
"enum": [
"512",
"1024",
"2048",
"4096"
]
},
"num_images": {
"type": "integer",
"minimum": 1,
"maximum": 4
}
},
"required": [
"model_id",
"prompt"
],
"additionalProperties": false
}FAQ
How much does Flux 1 Schnell 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 Flux 1 Schnell fails?
Yes — failed generations are never charged. The credits are released back to your balance automatically.
Can I call Flux 1 Schnell from the API?
Yes. Use POST /api/v1/generate with model_id: "fal-ai/flux-1/schnell". 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 Flux 1 Schnell?
Start now →No commitment. New accounts get 50 free credits on signup. See pricing.