--- title: Cynthia (Flux) V1.0 API | Text to Image | ModelsLab description: Generate images from text with Cynthia (Flux) V1.0. High-resolution AI image generation. Plans from $21/month. url: https://modelslab.com/models/modelslab/cynthia-flux-v1-0.md canonical: https://modelslab.com/models/modelslab/cynthia-flux-v1-0 type: product component: Playground/Endpoint/Index generated_at: 2026-08-21T20:48:46.705483Z --- [![Cynthia (Flux) - v1.0 thumbnail](https://assets.modelslab.ai/api-logos/01KPMZY676ZM0Z7YJWBM9C78QP.png)](https://modelslab.com/models/modelslab)Cynthia (Flux) - V1.0 --- [by ModelsLab](https://modelslab.com/models/modelslab)Generate photorealistic and imaginative images from text prompts with advanced detail, inpainting, and image-to-image translation features, ideal for creatives and marketers. `cynthia-flux-v1-0` Open Source Model [Unlimited Usage](https://modelslab.com/pricing) [LLMs.txt](https://modelslab.com/models/modelslab/cynthia-flux-v1-0/llms.txt) [API Playground](/models/modelslab/cynthia-flux-v1-0)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 cynthia-flux-v1-0 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. [![Gemini 2.5 Flash (nano banana)](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/2fda7bb1-ecb1-4ab4-a15b-6f2ad7ba715d.webp)](https://modelslab.com/models/google/nano-banana)[Google](https://modelslab.com/models/google) [Gemini 2.5 Flash (nano banana)](https://modelslab.com/models/google/nano-banana) [![Imagen 4](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/6570e8e8-45e4-4dd8-a636-0fd599ad306b.webp)](https://modelslab.com/models/google/imagen-4)[Google](https://modelslab.com/models/google) [Imagen 4](https://modelslab.com/models/google/imagen-4) [![Nano Banana Pro](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/5ee72f26-dfa9-4d26-a546-7d496ef71be7.webp)](https://modelslab.com/models/google/nano-banana-pro)[Google](https://modelslab.com/models/google) [Nano Banana Pro](https://modelslab.com/models/google/nano-banana-pro) [![Seedream 5.0 Lite Image Edit](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/70af0fa2-f20f-4a47-b8c3-71f66f6252a0.webp)](https://modelslab.com/models/byteplus/seedream-5-lite-i2i)[BytePlus](https://modelslab.com/models/byteplus) [Seedream 5.0 Lite Image Edit](https://modelslab.com/models/byteplus/seedream-5-lite-i2i) [![Imagen 3.0](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/8af88782-3a7a-4d95-9e6f-38c8a7b24b2a.webp)](https://modelslab.com/models/google/imagen-3)[Google](https://modelslab.com/models/google) [Imagen 3.0](https://modelslab.com/models/google/imagen-3) [![Gen4 Text to Image](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/b656bfe5-c402-456b-9980-f7447198887d.webp)](https://modelslab.com/models/runway_ml/gen4_image)[Runway ML](https://modelslab.com/models/runway_ml) [Gen4 Text to Image](https://modelslab.com/models/runway_ml/gen4_image) ### Faster turnaround Built for speed when you are iterating on a prompt. [![Grok Imagine Text To Image](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/77fe7302-eee2-45bd-baae-45d2a822b52f.webp)](https://modelslab.com/models/xai/grok-imagine-image-t2i)[xAI](https://modelslab.com/models/xai) [Grok Imagine Text To Image](https://modelslab.com/models/xai/grok-imagine-image-t2i) [![Wan 2.7 Image Edit](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/eb0785a4-e281-44c1-9c1e-7a9c6a07d6e2.webp)](https://modelslab.com/models/alibaba_cloud/wan-2.7-i2i)[Alibaba](https://modelslab.com/models/alibaba_cloud) [Wan 2.7 Image Edit](https://modelslab.com/models/alibaba_cloud/wan-2.7-i2i) [![Wan 2.7 Text To Image](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/aba76d25-b19c-4fee-9123-4cbb29e71646.webp)](https://modelslab.com/models/alibaba_cloud/wan-2.7-t2i)[Alibaba](https://modelslab.com/models/alibaba_cloud) [Wan 2.7 Text To Image](https://modelslab.com/models/alibaba_cloud/wan-2.7-t2i) Related Models --- Discover similar models you might be interested in [View all Image Models](https://modelslab.com/models?feature=imagen) [![1990s: The Grunge Era - v1.0](https://images.modelslab.sh/?Image=https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/2bd171ad-93ff-4bfb-bd0a-7cdbe67a6067/original=true/117442337.mp4)](https://modelslab.com/models/modelslab/1990s-the-grunge-era-v1-0)[ModelsLab](https://modelslab.com/models/modelslab) [1990s: The Grunge Era - v1.0](https://modelslab.com/models/modelslab/1990s-the-grunge-era-v1-0) [![F1 CharTurn, Multi-view, Turnaround, Model Sheet, Character design - v1.0](https://images.modelslab.sh/?Image=https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/6101e7ba-e364-4f52-9a41-d87ebb1cfcce/width=1800/30668325.jpeg)Popular](https://modelslab.com/models/modelslab/f1-charturn-multi-view-turnaround-model-sheet-character-design-v1-0)[ModelsLab](https://modelslab.com/models/modelslab) [F1 CharTurn, Multi-view, Turnaround, Model Sheet, Character design - v1.0](https://modelslab.com/models/modelslab/f1-charturn-multi-view-turnaround-model-sheet-character-design-v1-0) [![VHS 90s FlashBack (Flux) - Flux.1 Dev](https://images.modelslab.sh/?Image=https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/b0a3609f-6ef8-48bd-9a78-f54ab07a7d03/width=1024/94395384.jpeg)](https://modelslab.com/models/modelslab/vhs-90s-flashback-flux-flux-1-dev)[ModelsLab](https://modelslab.com/models/modelslab) [VHS 90s FlashBack (Flux) - Flux.1 Dev](https://modelslab.com/models/modelslab/vhs-90s-flashback-flux-flux-1-dev) [![Nostromo Style - Nostromo v1](https://images.modelslab.sh/?Image=https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/c2f4998d-a6fd-4a78-8b9d-ccd6cb8e2075/width=896/48925519.jpeg)](https://modelslab.com/models/modelslab/nostromo-style-nostromo-v1)[ModelsLab](https://modelslab.com/models/modelslab) [Nostromo Style - Nostromo v1](https://modelslab.com/models/modelslab/nostromo-style-nostromo-v1) [![South Park Style [FLUX] - v2.0](https://images.modelslab.sh/?Image=https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/b1f23517-0efc-46f9-983a-f02ed5aa0826/width=480/33428088.mp4)](https://modelslab.com/models/modelslab/south-park-style-flux-v2-0)[ModelsLab](https://modelslab.com/models/modelslab) [South Park Style \[FLUX\] - v2.0](https://modelslab.com/models/modelslab/south-park-style-flux-v2-0) [![Metal Logo - v1.0](https://images.modelslab.sh/?Image=https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/07bebbfd-7551-4cd8-9176-56bce0416d63/width=896/30806114.jpeg)](https://modelslab.com/models/modelslab/metal-logo-v1-0)[ModelsLab](https://modelslab.com/models/modelslab) [Metal Logo - v1.0](https://modelslab.com/models/modelslab/metal-logo-v1-0) View all 18 related models About Cynthia (Flux) - V1.0 --- Cynthia (Flux) - V1.0 is a text to image AI model by ModelsLab available on ModelsLab. Access Cynthia (Flux) - V1.0 through our API with pay-per-use pricing and no minimum commitments. ### Technical Specifications Model IDcynthia-flux-v1-0 ProviderModelsLab CategoryImage Models TaskText to Image Price$0.0047 per API call AddedOctober 2, 2025 ### Key Features - High-resolution AI image generation from text prompts - Negative prompt support for precise control - Multiple output formats and aspect ratios - Adjustable inference steps and guidance scale - Batch generation support via API ### Quick Start Integrate Cynthia (Flux) - V1.0 into your application with a single API call. 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": "cynthia-flux-v1-0", "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 Cynthia (Flux) - V1.0 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) Cynthia (Flux) - V1.0 FAQ --- ### What is Cynthia (Flux) - V1.0? Cynthia (Flux) - V1.0 is a text to image AI model by ModelsLab available on ModelsLab. Access it through our API with pay-per-use pricing and no minimum commitments. ### How do I use the Cynthia (Flux) - V1.0 API? You can integrate Cynthia (Flux) - V1.0 into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "cynthia-flux-v1-0" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Cynthia (Flux) - V1.0 cost? Cynthia (Flux) - V1.0 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 Cynthia (Flux) - V1.0 model ID? The model ID for Cynthia (Flux) - V1.0 is "cynthia-flux-v1-0". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use Cynthia (Flux) - V1.0? 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 - 2026-08-22*