# flux-2 {% columns %} {% column width="66.66666666666666%" %} {% hint style="info" %} This documentation is valid for the following list of our models: * `blackforestlabs/flux-2` {% endhint %} {% endcolumn %} {% column width="33.33333333333334%" %} Try in Playground {% endcolumn %} {% endcolumns %} ## Model Overview A 4MP photorealistic, production-grade text-to-image generator. ## Setup your API Key If you don’t have an API key for the AI/ML API yet, feel free to use our [Quickstart guide](https://docs.aimlapi.com/quickstart/setting-up). ## API Schema ## POST /v1/images/generations > ```json {"openapi":"3.0.0","info":{"title":"Flux 2 - AI/ML API","version":"1.0.0"},"servers":[{"url":"https://api.aimlapi.com"}],"paths":{"/v1/images/generations":{"post":{"operationId":"_v1_images_generations","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"model":{"type":"string","enum":["blackforestlabs/flux-2"]},"prompt":{"type":"string","maxLength":4000,"description":"The text prompt describing the content, style, or composition of the image to be generated."},"image_size":{"anyOf":[{"type":"object","properties":{"width":{"type":"integer","minimum":512,"maximum":2048,"default":1024},"height":{"type":"integer","minimum":512,"maximum":2048,"default":768}},"description":"For both height and width, the value must be a multiple of 32."},{"type":"string","enum":["square_hd","square","portrait_4_3","portrait_16_9","landscape_4_3","landscape_16_9"],"description":"The size of the generated image."}],"default":"landscape_4_3"},"output_format":{"type":"string","enum":["jpeg","png","webp"],"default":"png","description":"The format of the generated image."},"enable_prompt_expansion":{"type":"boolean","default":true,"description":"If set to True, prompt will be upsampled with more details."},"num_images":{"type":"number","minimum":1,"maximum":4,"default":1,"description":"The number of images to generate."},"seed":{"type":"integer","minimum":1,"description":"The same seed and the same prompt given to the same version of the model will output the same image every time."},"guidance_scale":{"type":"number","minimum":0,"maximum":20,"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 you."},"num_inference_steps":{"type":"integer","minimum":4,"maximum":50,"description":"The number of inference steps to perform."},"acceleration":{"type":"string","enum":["none","regular","high"],"default":"regular","description":"The speed of the generation. The higher the speed, the faster the generation."},"enable_safety_checker":{"type":"boolean","default":true,"description":"If set to True, the safety checker will be enabled."}},"required":["model","prompt"],"title":"blackforestlabs/flux-2"}}}},"responses":{"200":{"content":{"application/json":{"schema":{"type":"object","properties":{"data":{"type":"array","nullable":true,"items":{"type":"object","properties":{"url":{"type":"string","nullable":true,"description":"The URL where the file can be downloaded from."},"b64_json":{"type":"string","nullable":true,"description":"The base64-encoded JSON of the generated image."}}},"description":"The list of generated images."},"meta":{"type":"object","nullable":true,"properties":{"usage":{"type":"object","nullable":true,"properties":{"credits_used":{"type":"number","description":"The number of tokens consumed during generation."}},"required":["credits_used"]}},"description":"Additional details about the generation."}}}}}}}}}}} ``` ## Quick Example Let's generate an image of the specified size using a simple prompt. {% tabs %} {% tab title="Python" %} {% code overflow="wrap" %} ```python import requests import json # for getting a structured output with indentation def main(): response = requests.post( "https://api.aimlapi.com/v1/images/generations", headers={ # Insert your AIML API Key instead of : "Authorization": "Bearer ", "Content-Type": "application/json" }, json={ "prompt": "A T-Rex relaxing on a beach, lying on a sun lounger and wearing sunglasses.", "model": "blackforestlabs/flux-2", "image_size": { "width": 1472, "height": 512 } } ) data = response.json() print(json.dumps(data, indent=2, ensure_ascii=False)) if __name__ == "__main__": main() ``` {% endcode %} {% endtab %} {% tab title="JS" %} {% code overflow="wrap" %} ```javascript async function main() { const response = await fetch('https://api.aimlapi.com/v1/images/generations', { method: 'POST', headers: { // Insert your AIML API Key instead of : 'Authorization': 'Bearer ', 'Content-Type': 'application/json', }, body: JSON.stringify({ model: 'blackforestlabs/flux-2', prompt: 'A T-Rex relaxing on a beach, lying on a sun lounger and wearing sunglasses.', image_size: { width: 1472, height: 512 }, }), }); const data = await response.json(); console.log('Generation:', data); } main(); ``` {% endcode %} {% endtab %} {% endtabs %}
Response {% code overflow="wrap" %} ```json5 { "data": [ { "url": "https://cdn.aimlapi.com/flamingo/files/b/0a84799e/1kYzoFE6V9Jx2Rfmmn_4M.png" } ], "meta": { "usage": { "tokens_used": 25200 } } } ``` {% endcode %}
We obtained the following nice 1472x512 image by running this code example:

"A T-Rex relaxing on a beach, lying on a sun lounger and wearing sunglasses."

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