Text to Image

qwen-image

An image generation foundation model in the Qwen series that achieves significant advances in complex text rendering.

$0.03/run 648 runs
qwen-image
Generation time: 0s

Your result will appear here

Configure parameters and press Run, or press Ctrl - ↵ Enter.

Run the model to see raw JSON response

API Endpoint

POST https://lumozai.com/api/v4/run

Use this endpoint to run the model with your parameters. Authentication is required using your API key.

Sample Code (PHP cURL)

<?php
// API endpoint URL
$apiUrl = 'https://lumozai.com/api/v4/run';

// Your API key
$apiKey = 'YOUR_API_KEY';

// Model parameters
$params = [
    'model_id' => 'qwen-image',
    'prompt' => 'Café front window display. A chalkboard sign reads “Freshly Brewed Today”. Below it, a small wooden tray holds labeled jars marked “House Blend” and “Caramel Roast”. To the side, a colorful poster announces “Live Jazz Friday Night” with an illustrated saxophone at the center. On the counter, four pastries are neatly arranged: “Chocolate Croissant”, “Blueberry Muffin”, “Cinnamon Roll”, and “Almond Danish”.',
    'negative_prompt' => '',
    'aspect_ratio' => '',
    'image_size' => '',
    'num_inference_steps' => '50',
    'output_format' => '',
    'guidance' => '4',
    'seed' => '',
];

// Initialize cURL session
$curl = curl_init();

// Set cURL options
curl_setopt_array($curl, [
    CURLOPT_URL => $apiUrl,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => $params,
    CURLOPT_HTTPHEADER => [
        'Accept: application/json',
        'Authorization: Bearer ' . $apiKey
    ]
]);

// Execute the request
$response = curl_exec($curl);
$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);

// Check for errors
if (curl_errno($curl)) {
    echo 'cURL Error: ' . curl_error($curl);
} else {
    // Process the response
    $result = json_decode($response, true);
    
    if ($httpCode == 200 && isset($result['success']) && $result['success']) {
        // Handle successful response
        echo "Model output: ";
        print_r($result['data']['output']);
    } else {
        // Handle error response
        echo "Error: " . ($result['message'] ?? 'Unknown error');
    }
}

// Close cURL session
curl_close($curl);

Request Parameters

Parameter Type Required Description
model_id string Required The ID of the model to run (qwen-image)
api_key string Required Your API key for authentication (sent via Bearer token in the Authorization header)
prompt string Required
negative_prompt string Optional
aspect_ratio string Optional
image_size string Optional
num_inference_steps number Optional Number of denoising steps. Recommended range is 28-50, and lower number of steps produce lower quality outputs, faster.
output_format string Optional
guidance number Optional
seed string Optional Random seed. Set for reproducible generation

Response Format

{
    "success": true,
    "data": {
        "output": "https://lumozai.com/storage/outputs/image_12345.jpg"
    }
}

Model Pricing

Pay only for what you run. Charges are deducted directly from your account balance with zero recurring commitments.

Rate per generation
$ 0.03 / generation
$30.00 per 1,000 generations
Cost Estimator
1,000 generations
Estimated Total $30.00
Add Balance
Automatic instant refund if any run fails • Credits valid for 1 year