--- title: KR345RP0 BPO API | Text to Image | ModelsLab description: Generate images from text with KR345RP0 BPO. High-resolution AI image generation. Plans from $21/month. url: https://modelslab.com/models/modelslab/kr345rp0-bpo.md canonical: https://modelslab.com/models/modelslab/kr345rp0-bpo type: product component: Playground/Endpoint/Index generated_at: 2026-08-19T17:09:07.564762Z --- [![KR345RP0 - BPO thumbnail](https://assets.modelslab.ai/api-logos/01KPMZY676ZM0Z7YJWBM9C78QP.png)](https://modelslab.com/models/modelslab)KR345RP0 - BPO --- [by ModelsLab](https://modelslab.com/models/modelslab)This LoRA was added to the initial model version: <--- Balanced Preference Optimization (BPO);You can read about the BPO here: `kr345rp0-bpo` Open Source Model [Unlimited Usage](https://modelslab.com/pricing) [LLMs.txt](https://modelslab.com/models/modelslab/kr345rp0-bpo/llms.txt) [API Playground](/models/modelslab/kr345rp0-bpo)API DocumentationVibe CodeRelated ModelsDeveloper SupportModel SpecsEnterprise Deployment Input --- Prompt R3alisticF, hauntingly beautiful oriental necromancer, long flowing brown hair, bangs, darkly tanned skin, earrings, bone necklaces, dark eyeshadow, red lips, vibrant, front-laced transparent, filmy silk blouse, cleavage, holding skull, in a sandstone room lit by candles, High Detail, Perfect Composition, high contrast, silhouetted, chiascuro Model Lora Model HuggingFaceLibrary Select models... Width Height Advanced Settings Customize your input with more control. Configure Login to Generate **Per image generation** will cost **$0.0047**. Open-source models are included on the [$149/month Open Source Unlimited plan](/pricing). Third-party models are billed per generation on every plan. Output --- Idle Unknown content type Looking for something different? --- Models that trade off differently against the one you are viewing ### Better quality Newer flagship models that generally produce stronger results. 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Get your API key from the [pricing page](https://modelslab.com/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v6/images/text2img" headers = { "Content-Type": "application/json" } data = { "model_id": "kr345rp0-bpo", "prompt": "your prompt here", "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}") ``` ### Pricing KR345RP0 - BPO API costs $0.0047 per API call. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab.com/pricing) ### Use Cases - Product photography and e-commerce visuals - Marketing and social media content creation - Concept art and design prototyping - Custom illustrations and artwork [Browse Image Models](https://modelslab.com/models?feature=imagen) [More from ModelsLab](https://modelslab.com/models/modelslab) [View Pricing](https://modelslab.com/pricing) KR345RP0 - BPO FAQ --- ### What is KR345RP0 - BPO? This LoRA was added to the initial model version: https://huggingface.co/rockerBOO/flux-bpo-po-lora/tree/main <--- Balanced Preference Optimization (BPO);You can read about the BPO here: https://arxiv.org/abs/2506.03557 ### How do I use the KR345RP0 - BPO API? You can integrate KR345RP0 - BPO into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "kr345rp0-bpo" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does KR345RP0 - BPO cost? KR345RP0 - BPO costs $0.0047 per API call. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models. ### What is the KR345RP0 - BPO model ID? The model ID for KR345RP0 - BPO is "kr345rp0-bpo". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use KR345RP0 - BPO? 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. --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-08-19*