# LongCat-Image > 6B parameter image generation model excelling at rendering multilingual text directly in generated images ## Quick Reference - Model ID: longcat-image - Creator: Meituan - Status: active - Family: longcat - Base URL: https://api.lumenfall.ai/openai/v1 ## Specifications - Input Modalities: text - Output Modalities: image - Supported Modes: Text to Image ## API Parameters The compiled parameter schema for this model is available via the API: `GET /v1/models/longcat-image?schema=true`. ### Core Parameters - `prompt` (string) — REQUIRED: Text prompt for image generation - `seed` (integer): Random seed for reproducibility ### Size & Layout - `size` (string): Image dimensions as WxH pixels (e.g. "1024x1024") or aspect ratio (e.g. "16:9") - `aspect_ratio` (string): Aspect ratio of the output image (e.g. "16:9", "1:1") - `resolution` (string): Output resolution tier (e.g. "1K", "4K") ### Output & Format - `response_format` (string): How to return the image. Default: url. Values: url, b64_json - `output_format` (string): Output image format. Values: png, jpeg, gif, webp, avif - `output_compression` (integer): Compression level for lossy formats (JPEG, WebP, AVIF) - `n` (integer): Number of images to generate. Default: 1 ### Additional Parameters - `cfg_scale` (number): Classifier-free guidance scale — higher values stick more closely to the prompt - `acceleration` (string): The acceleration level to use.. Values: high, none, regular. Only available via fal - `enable_safety_checker` (boolean): If set to true, the safety checker will be enabled.. Only available via fal - `num_inference_steps` (integer): The number of inference steps to perform.. Only available via fal - `sync_mode` (boolean): If `True`, the media will be returned as a data URI and the output data won't be available in the request history.. Only available via fal ## Model Identifiers - Primary Slug: longcat-image ## Dates - Released: December 2025 ## Tags image-generation, text-to-image, text-rendering, multilingual ## Available Providers ### fal.ai - Config Key: fal/longcat-image - Provider Model ID: fal-ai/longcat-image - Pricing: $0.130/megapixel - Source: https://fal.ai/models/fal-ai/longcat-image ## Arena Benchmarks ### Fantasy Warrior - Elo: 1139 - Record: 1W / 3L / 0T (4 battles) - Rank: #39 of 71 ### Geometric Composition - Elo: 1134 - Record: 2W / 4L / 2T (8 battles) - Rank: #43 of 70 ### Candid Street Photography - Elo: 1120 - Record: 3W / 4L / 1T (8 battles) - Rank: #40 of 68 ### Magic Burger Explosion: Fiery Photorealism Challenge - Elo: 1115 - Record: 3W / 3L / 0T (6 battles) - Rank: #44 of 69 ### The Halloween Invitation - Elo: 1115 - Record: 2W / 8L / 1T (11 battles) - Rank: #40 of 70 ### Modern Clean Menu - Elo: 1113 - Record: 2W / 3L / 0T (5 battles) - Rank: #43 of 69 ### The Capybara Taxi Driver - Elo: 1102 - Record: 3W / 2L / 1T (6 battles) - Rank: #43 of 69 ### The Reversed Rodeo - Elo: 1087 - Record: 0W / 4L / 2T (6 battles) - Rank: #45 of 68 ### Vintage Cafe Logo - Elo: 1050 - Record: 1W / 5L / 0T (6 battles) - Rank: #64 of 70 ### Apollo 11: Journey to Tranquility - Elo: 997 - Record: 0W / 6L / 0T (6 battles) - Rank: #70 of 70 ## Use Cases & Category Performance ### Portraits (Text-to-Image) - Rank: #38 of 50 - Elo: 1105 - Record: 1W / 3L / 0T (4 battles) - Win Rate: 25.0% ### Cartoon, Anime & Fantasy (Text-to-Image) - Rank: #38 of 50 - Elo: 1105 - Record: 1W / 3L / 0T (4 battles) - Win Rate: 25.0% ### Photorealism (Text-to-Image) - Rank: #49 of 62 - Elo: 1157 - Record: 12W / 26L / 6T (44 battles) - Win Rate: 27.3% ### Aesthetics (Text-to-Image) - Rank: #53 of 62 - Elo: 1187 - Record: 17W / 41L / 8T (66 battles) - Win Rate: 25.8% ### Art (Text-to-Image) - Rank: #49 of 57 - Elo: 1131 - Record: 2W / 12L / 3T (17 battles) - Win Rate: 11.8% ### 3D Imaging & Modeling (Text-to-Image) - Rank: #53 of 61 - Elo: 1139 - Record: 2W / 6L / 3T (11 battles) - Win Rate: 18.2% ### Prompt Adherence (Text-to-Image) - Rank: #55 of 62 - Elo: 1179 - Record: 10W / 30L / 6T (46 battles) - Win Rate: 21.7% ### Text Rendering (Text-to-Image) - Rank: #57 of 61 - Elo: 1155 - Record: 8W / 30L / 2T (40 battles) - Win Rate: 20.0% ### Product, Branding & Commercial (Text-to-Image) - Rank: #57 of 61 - Elo: 1158 - Record: 8W / 28L / 1T (37 battles) - Win Rate: 21.6% ### Creativity (Text-to-Image) - Rank: #60 of 62 - Elo: 1145 - Record: 4W / 28L / 4T (36 battles) - Win Rate: 11.1% ## Image Gallery 14 images available for this model. Browse all at https://lumenfall.ai/models/meituan/longcat-image/gallery ### Curated Examples - [A wide, cinematic 16:9 shot of a high-end, boutique pet grooming salon at golden hour. The storef...](https://assets.lumenfall.ai/wziNQuzhT75cIAUkQOGfhtXnEMOSApq1Q6qMta6B698/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/mtslwb3de8ekdtrx0s5ldiuihdqr@jpeg) - [A macro overhead shot of an artisanal wooden desk featuring a collection of vintage botanical ske...](https://assets.lumenfall.ai/5ydKwU1kja7TnDLIQo7hsGVFi9y8YuzDBgqGCsMSR5E/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/6z9kib9p5f5846lcdypgpnm1htlu@jpeg) - [A gourmet close-up of a rustic sourdough loaf sitting on a floured wooden baker's table, with the...](https://assets.lumenfall.ai/3KqH3KTXZ9uMVe4t0RAvG76MQvADudFm2vyov6FWo7o/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/k376iqav7w39pxvqxvgb33o4duji@jpeg) - [A sun-drenched artisan bakery storefront with a hand-painted wooden sign that reads "FRESH SOURDO...](https://assets.lumenfall.ai/Ekpydjb4hhXavsRRY_GcFDpnuylazaVxfbcVbHteFdQ/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/qonrc308jvzu9v2yrvqbr7z2zx0u@jpeg) ### Arena Competition Results - [Fantasy Warrior](https://assets.lumenfall.ai/x5gogijM9ORsW8p6jAn1ovWOIPhAipdcRqlp1VymYNU/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/cf5z9ng4rj8cdfi2dkawclba2zk4@jpeg): #39 of 71 (Elo 1139) - [Geometric Composition](https://assets.lumenfall.ai/QEpU8d1Ex_e3Prn-nOz33EfgVIyfHeDwm8U9MRq0wNs/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/fhmq8qbhyignlcla65xe41or893c@jpeg): #44 of 70 (Elo 1134) - [Candid Street Photography](https://assets.lumenfall.ai/cF02jnIUeYS6DhNb4JdMDdGkzv_St7WHAskVST8gwAQ/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/hywuj2h3ib49c1jr7up9621a4jbb@jpeg): #40 of 68 (Elo 1120) - [Magic Burger Explosion: Fiery Photorealism Challenge](https://assets.lumenfall.ai/73MELp0T7d976RpuE3LYbi0MB4PB8c1DszOni6arBQA/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/riwg3vfmy2icfsfboziv5be12l9k@jpeg): #43 of 69 (Elo 1115) - [The Halloween Invitation](https://assets.lumenfall.ai/p7ZwPwN9QTtVl5GmNDKVcKkPjaxrLbs8SgGrcfP8GSc/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/jeisa0yz2iy3fsoh53ibhbnkx6nb@jpeg): #41 of 70 (Elo 1115) - [Modern Clean Menu](https://assets.lumenfall.ai/C-jx85e_JZckkXr7MwNg01WNVf6qG5DK2t7jl762xFw/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/qssjrbq1ga8dcpwmtx0318vq7sdl@jpeg): #43 of 69 (Elo 1113) - [The Capybara Taxi Driver](https://assets.lumenfall.ai/5hygrsif4y2bJPLnjflfxnWRQvlzdljB1LuUEUqBa8U/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/kaqyc464zgjx0yz7y9yajd7hbu5y@jpeg): #44 of 69 (Elo 1102) - [The Reversed Rodeo](https://assets.lumenfall.ai/yZFwTSYSxi7lVD5fAVAN2UVhogwEyBaKsK7_cay13B0/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/0da03eqeika7je93wwfpa0ro7abu@jpeg): #45 of 68 (Elo 1087) - [Vintage Cafe Logo](https://assets.lumenfall.ai/F-xXIhOBjmMea0gcKIJShY3Sdu4dLXFtoRadv0Ok8kY/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/qdyo7sxtrnwya8b5fjz0hevmobk7@jpeg): #64 of 70 (Elo 1050) - [Apollo 11: Journey to Tranquility](https://assets.lumenfall.ai/LyCdZ_k8w8QPsjcHBMsIPSKLryvN2rSnLX9-tp46e_s/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/rqcc5idl45ko1hhyv302ttteff40@jpeg): #70 of 70 (Elo 997) ## Example Prompt The following prompt was used to generate an example image in our playground: A sun-drenched artisan bakery storefront with a hand-painted wooden sign that reads "FRESH SOURDOUGH DAILY" in elegant gold leaf calligraphy. Through the large window, a quiet capybara sits on a flour sack in the corner of the cozy kitchen. ## Code Examples ### Text to Image (/v1/images/generations) #### cURL curl -X POST \ https://api.lumenfall.ai/openai/v1/images/generations \ -H "Authorization: Bearer $LUMENFALL_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "longcat-image", "prompt": "", "size": "1024x1024" }' # Response: # { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] } #### JavaScript import OpenAI from 'openai'; const client = new OpenAI({ apiKey: 'YOUR_API_KEY', baseURL: 'https://api.lumenfall.ai/openai/v1' }); const response = await client.images.generate({ model: 'longcat-image', prompt: '', size: '1024x1024' }); // { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] } console.log(response.data[0].url); #### Python from openai import OpenAI client = OpenAI( api_key="YOUR_API_KEY", base_url="https://api.lumenfall.ai/openai/v1" ) response = client.images.generate( model="longcat-image", prompt="", size="1024x1024" ) # { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] } print(response.data[0].url) ## Frequently Asked Questions ### How much does LongCat-Image cost? LongCat-Image starts at $0.13 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing. ### How do I use LongCat-Image via API? You can use LongCat-Image through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "longcat-image". Code examples are available in Python, JavaScript, and cURL. ### Which providers offer LongCat-Image? LongCat-Image is available through fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider. ## Links - Model Page: https://lumenfall.ai/models/meituan/longcat-image - About: https://lumenfall.ai/models/meituan/longcat-image/about - Providers, Pricing & Performance: https://lumenfall.ai/models/meituan/longcat-image/providers - API Reference: https://lumenfall.ai/models/meituan/longcat-image/api - Benchmarks: https://lumenfall.ai/models/meituan/longcat-image/benchmarks - Use Cases: https://lumenfall.ai/models/meituan/longcat-image/use-cases - Gallery: https://lumenfall.ai/models/meituan/longcat-image/gallery - Playground: https://lumenfall.ai/models/meituan/longcat-image/playground - API Documentation: https://docs.lumenfall.ai