Catalog/Image/fal

FLUX.2 [klein] 4B LoRA

Liveby Black Forest Labs

Text-to-image generation with FLUX.2 [klein] 4B from Black Forest Labs and custom LoRA.

Enhanced realism, crisper text generation, and native editing capabilities.

Ask your agent

Say it in your own words. Your agent picks this tool, fills in the details and brings back the answer.

Make an image with FLUX.2 [klein] 4B LoRA: a cozy coffee shop in São Paulo at golden hour.

Create a product photo of our new sneaker on a white background.

Reviews

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How it works

Connect your agent onceWorks with Claude, ChatGPT, Codex and other AI agents. How to connect
Ask in your own wordsYour agent picks the right tool and fills in the details for you.
Pay only when it worksEach use comes out of your balance. If it fails, you aren't charged.

For developersSummary, tool id, API call and input schema

Image generation API by Black Forest Labs, callable through Superpowers. It costs $0.011 per megapixel, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.flux-2-klein-4b-lora", or over MCP with run_tool. 88 other providers in this category take the same input and can be compared side by side.

Tool id
Price per call: $0.011 / megapixel

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.flux-2-klein-4b-lora","input":{"prompt":""},"idempotency_key":"example-request-1"}'

Input

9 fields · 1 required

{
  "type": "object",
  "required": [
    "prompt"
  ],
  "properties": {
    "loras": {
      "type": "array",
      "description": "List of LoRA weights to apply (maximum 3).",
      "default": []
    },
    "sync_mode": {
      "type": "boolean",
      "description": "If `True`, the media will be returned as a data URI. Output is not stored when this is True.",
      "default": false
    },
    "enable_safety_checker": {
      "type": "boolean",
      "description": "If set to true, the safety checker will be enabled. Disabling it requires account authorization; unauthorized requests are always checked, and images flagged as unsafe are returned as black images.",
      "default": true
    },
    "num_inference_steps": {
      "type": "integer",
      "description": "The number of inference steps to perform.",
      "default": 4
    },
    "num_images": {
      "type": "integer",
      "description": "The number of images to generate.",
      "default": 1
    },
    "prompt": {
      "type": "string",
      "description": "The prompt to generate an image from."
    },
    "seed": {
      "type": "integer",
      "description": "The seed to use for the generation. If not provided, a random seed will be used."
    },
    "output_format": {
      "type": "string",
      "description": "The format of the generated image.",
      "default": "png",
      "enum": [
        "jpeg",
        "png",
        "webp"
      ]
    },
    "image_size": {
      "type": "string",
      "description": "The size of the image to generate.",
      "default": "landscape_4_3",
      "enum": [
        "square_hd",
        "square",
        "portrait_4_3",
        "portrait_16_9",
        "landscape_4_3",
        "landscape_16_9"
      ]
    }
  }
}