--- title: Fnegative API | Text to Image | ModelsLab description: Generate images from text with Fnegative. High-resolution AI image generation. Pay-per-use. Free tier. url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/fnegative/api.md canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/fnegative/api.md type: product component: Playground/Endpoint/Index generated_at: 2026-05-13T08:40:27.473560Z --- [![Fnegative thumbnail](https://assets.modelslab.ai/api-logos/01KPMZY676ZM0Z7YJWBM9C78QP.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)Fnegative --- [by ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)Correct gesture and outline `fnegative` Open Source Model [Unlimited Usage](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/fnegative/llms.txt) [API Playground](/models/modelslab/fnegative) [API Documentation](/models/modelslab/fnegative/api)Vibe 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 Select models... Width Height Advanced Settings Customize your input with more control. Configure Add FundsLogin to Generate **Per image generation** will cost **0.0047$** **For premium plan image generation** will cost **0.00$** i.e **Free.** Output --- Idle Unknown content type Related Models --- Discover similar models you might be interested in [View all Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models) [![Pretty Eyes](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/5a7f4f3b-0156-4945-9c54-0c96bccddc6d-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/pretty-eyes)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Pretty Eyes Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/pretty-eyes) [![SDXL-BaseModel-1](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/19bae11c-badd-4380-a7cc-29b68e374fc3-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sdxl-basemodel-1)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [SDXL-BaseModel-1 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sdxl-basemodel-1) [![bad-image-v2-39000](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/f22d579e-2676-417b-9552-602d14ac44fd-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/bad-image-v2-39000)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [bad-image-v2-39000 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/bad-image-v2-39000) [![sd-vae-ft-mse-original-v1](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/6107f752-532b-45b6-907c-1ea6a95b4d17-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sd-vae-ft-mse-original-v1)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [sd-vae-ft-mse-original-v1 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sd-vae-ft-mse-original-v1) [![hc-ulzzang-6500](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/7d127b9a-10fa-4349-9612-10d00d576350-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/hc-ulzzang-6500)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [hc-ulzzang-6500 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/hc-ulzzang-6500) [![embeddinglwjgef4](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/08e33d95-ca71-41c2-837c-aef4850e5973-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/embeddinglwjgef4)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [embeddinglwjgef4 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/embeddinglwjgef4) [![Fast Negative Embedding (+ FastNegativeV2)](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/98874dbc-ce1b-4688-9db4-ddc3c526ad8e-0.png)Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/fast-negative-embedding-f)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Fast Negative Embedding (+ FastNegativeV2) Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/fast-negative-embedding-f) [![SDXL VAE](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/44a03b7c-fca6-433b-87de-5c934558ee4b-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sdxl-vae)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [SDXL VAE Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sdxl-vae) [![embeddingskujgvs](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/73d2d605-c780-4d7e-956b-434d1f207e2a-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/embeddingskujgvs)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [embeddingskujgvs Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/embeddingskujgvs) [![UnrealisticDream v1.0 (Negative Embedding)](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/9515cb4a-3d52-43ad-834a-3efe3cd712fe-0.png)Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/unrealisticdream-v10)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [UnrealisticDream v1.0 (Negative Embedding) Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/unrealisticdream-v10) [![Negative Embedding for Realistic Vision v2.0](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/148036d8-5ab7-4584-a9e8-c8f3bd3fe8ef-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/negative-embedding-f)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Negative Embedding for Realistic Vision v2.0 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/negative-embedding-f) [![Easy Negative](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/4ae54c08-c649-41dd-a528-bfa10a785a4c-0.png)Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/easy-negative)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Easy Negative Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/easy-negative) [![GDM STYLE Textual Inversion Luxury Modern Interior Design](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/b33769c7-6c8c-4a6a-b363-28c5bd55b9a2-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/gdm-style-textual-in)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [GDM STYLE Textual Inversion Luxury Modern Interior Design Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/gdm-style-textual-in) [![nrealfixer for Illuminati Diffusion v1.1](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/dfa6db52-2ec2-4922-9351-1cc0e3461ba5-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/nrealfixer-for-illuminati)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [nrealfixer for Illuminati Diffusion v1.1 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/nrealfixer-for-illuminati) [![sd-vae-ft-mse-original](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/a80b7d60-d278-497a-94c3-94421f7daaeb-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sd-vae-ft-mse-original)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [sd-vae-ft-mse-original Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/sd-vae-ft-mse-original) [![kidbooks](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/a3c93394-061b-478e-a409-7247967f5993-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/kidbooks)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [kidbooks Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/kidbooks) [![Low Poly HD Logos & Icons](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/3e59b2fe-2594-4a07-b48d-35319a5de598-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/low-poly-hd-logos--i)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Low Poly HD Logos & Icons Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/low-poly-hd-logos--i) [![Bad-Hands-5-v2](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/f0fd9a81-4736-4094-9d3d-f4d6416c5064-0.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/bad-hands-5-v2)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Bad-Hands-5-v2 Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/bad-hands-5-v2) About Fnegative --- Fnegative is a ai generation AI model available on ModelsLab. Access Fnegative through our API with pay-per-use pricing and no minimum commitments. ### Technical Specifications Model IDfnegativeProviderModelslabTaskAI GenerationPrice$0.0047 per API callAddedDecember 21, 2023 ### Quick Start Integrate Fnegative into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/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": "fnegative", "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}") ``` View the [full API documentation](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/fnegative/api) for SDKs, code examples in Python, JavaScript, and more. ### Pricing Fnegative API costs $0.0047 per API call. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) [Browse All Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models) [More from Modelslab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) Fnegative FAQ --- ### What is Fnegative? Fnegative is a ai generation AI model available on ModelsLab. Access it through our API with pay-per-use pricing and no minimum commitments. ### How do I use the Fnegative API? You can integrate Fnegative into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "fnegative" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Fnegative cost? Fnegative costs $0.0047 per API call. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started. ### What is the Fnegative model ID? The model ID for Fnegative is "fnegative". Use this ID in your API requests to specify this model. ### Does Fnegative have a free tier? Yes, ModelsLab offers a free tier that lets you try Fnegative and other AI models. Sign up to get free API credits and start building immediately. --- *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 - 2026-05-13*