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About Early Version V20
Early Version V20 is an SD 1.5 Checkpoint, available on ModelsLab through the API and the playground above. API access starts at $21/month, and open-source models are unlimited on the $149/month plan.
Early Version V20 facts
- Base model
- SD 1.5
- Type
- Checkpoint
- Price
- $0.0047 per image
- Added to ModelsLab
- June 14, 2025
- Model ID
- earlyversionv20
Quick Start
Integrate Early Version V20 into your application with a single API call. Get your API key from the pricing page to get started.
import requestsimport jsonurl = "https://modelslab.com/api/v6/images/text2img"headers = {"Content-Type": "application/json"}data = {"model_id": "earlyversionv20","prompt": "a cozy wooden cabin beside a calm mountain lake at sunrise, pine forest, soft golden light, mist over the water, highly detailed, sharp focus, professional photography","key": "YOUR_API_KEY"}try:response = requests.post(url, headers=headers, json=data)response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX)result = response.json()print("API Response:")print(json.dumps(result, indent=2))except requests.exceptions.HTTPError as http_err:print(f"HTTP error occurred: {http_err} - {response.text}")except Exception as err:print(f"Other error occurred: {err}")
const endpointUrl = 'https://modelslab.com/api/v6/images/text2img';const requestBody = {"model_id": "earlyversionv20","prompt": "a cozy wooden cabin beside a calm mountain lake at sunrise, pine forest, soft golden light, mist over the water, highly detailed, sharp focus, professional photography","key": "YOUR_API_KEY"};async function makeApiRequest() {try {const response = await fetch(endpointUrl, {method: 'POST',headers: {'Content-Type': 'application/json',},body: JSON.stringify(requestBody)});if (!response.ok) {let errorResult;try {errorResult = await response.json();} catch (e) {errorResult = { error: { message: await response.text() } };}throw new Error(`API Error (${response.status}): ${errorResult.error?.message || response.statusText || 'Unknown error'}`);}const result = await response.json();console.log('API Response:', result);return result;} catch (error) {console.error('Error making API request:', error.message);throw error;}}makeApiRequest();
curl -X POST "https://modelslab.com/api/v6/images/text2img" \-H "Content-Type: application/json" \-d '{"model_id": "earlyversionv20","prompt": "a cozy wooden cabin beside a calm mountain lake at sunrise, pine forest, soft golden light, mist over the water, highly detailed, sharp focus, professional photography","key": "YOUR_API_KEY"}'
<?php$url = 'https://modelslab.com/api/v6/images/text2img';$headers = ['Content-Type: application/json'];$data = ['model_id' => 'earlyversionv20','prompt' => 'a cozy wooden cabin beside a calm mountain lake at sunrise, pine forest, soft golden light, mist over the water, highly detailed, sharp focus, professional photography','key' => 'YOUR_API_KEY',];$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_POST, true);curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_TIMEOUT, 30);$response = curl_exec($ch);$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);$curlError = curl_error($ch);if ($curlError) {echo 'Curl error: ' . $curlError;} else {echo "HTTP Status Code: " . $httpCode . "\n";$result = json_decode($response, true);if (json_last_error() !== JSON_ERROR_NONE) {echo "Error decoding JSON: " . json_last_error_msg() . "\n";echo "Raw response: " . $response . "\n";} else {echo "API Response:\n";print_r($result);}}?>
Pricing
Early Version V20 API costs $0.0047 per API call. Plans start at $21/month, and open-source models are unlimited on the $149/month plan. View pricing plans
Early Version V20 FAQ
Early Version V20 is an SD 1.5 Checkpoint, available on ModelsLab through the API and the playground above.
You can integrate Early Version V20 into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "earlyversionv20" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.
Early Version V20 costs $0.0047 per image. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models.
The model ID for Early Version V20 is "earlyversionv20". Use this ID in your API requests to specify this model.
Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet.







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