Image

Flux 2 Flash

Credit-based pricing. Supports batch up to 4.

Try Flux 2 Flash →Compare models

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

Inputs

Batch up to 4 per request

Example prompt

A lone astronaut standing centered in a vast landscape made entirely of broken clock fragments and gears, stretching infinitely. Above, one massive floating hourglass dominates the sky, slightly tilted, casting a long shadow.

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-2/flash.

POST/api/v1/generate15 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.
`enable_prompt_expansion`	boolean	Optional	If set to true, the prompt will be expanded for better results. · Default: false
`enable_safety_checker`	boolean	Optional	If set to true, the safety checker will be enabled. · Default: true
`guidance_scale`	number	Optional	Guidance Scale — how closely the model follows the prompt. · Default: 2.5 · Range: 0–20
`seed`	integer	Optional	The seed to use for the generation. If not provided, a random seed will be used.
`output_format`	string	Optional	The format of the generated image. · Allowed: jpeg, png, webp · Default: png
`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-2/flash",
  "prompt": "A lone astronaut standing centered in a vast landscape made entirely of broken clock fragments and gears, stretching infinitely. Above, one massive floating hourglass dominates the sky, slightly tilted, casting a long shadow."
}

Raw JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fflux-2%2Fflash",
  "title": "Flux 2 Flash generation request",
  "description": "Request body accepted by POST /api/v1/generate for fal-ai/flux-2/flash.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "fal-ai/flux-2/flash",
      "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"
    },
    "enable_prompt_expansion": {
      "title": "Enable Prompt Expansion",
      "description": "If set to true, the prompt will be expanded for better results.",
      "default": false,
      "type": "boolean"
    },
    "enable_safety_checker": {
      "title": "Enable Safety Checker",
      "description": "If set to true, the safety checker will be enabled.",
      "default": true,
      "type": "boolean"
    },
    "guidance_scale": {
      "title": "Guidance Scale",
      "description": "Guidance Scale — how closely the model follows the prompt.",
      "default": 2.5,
      "type": "number",
      "minimum": 0,
      "maximum": 20,
      "multipleOf": 0.1
    },
    "seed": {
      "title": "Seed",
      "description": "The seed to use for the generation. If not provided, a random seed will be used.",
      "type": "integer"
    },
    "output_format": {
      "title": "Output Format",
      "description": "The format of the generated image.",
      "default": "png",
      "type": "string",
      "enum": [
        "jpeg",
        "png",
        "webp"
      ]
    },
    "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
}

Browse schemas for every ArtEmotion model →

FAQ

How much does Flux 2 Flash 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 2 Flash fails?

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

Can I call Flux 2 Flash from the API?

Yes. Use POST /api/v1/generate with model_id: "fal-ai/flux-2/flash". 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 2 Flash?

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