{"uid":"cap_CJgbPejulcmXsBwChfKcG","slug":"fal-ai-fast-sdxl-e2ef8db4","name":"Fast SDXL","description":"Fast SDXL - Quick Stable Diffusion XL generation","url":"https://fal.mpp.tempo.xyz/fal-ai/fast-sdxl?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":{"request":{"model":"schnell","prompt":"a serene mountain landscape with snow-capped peaks and a clear blue sky","namespace":"sdxl","image_size":"landscape_16_9"},"response":{"seed":142582519853741620,"images":[{"url":"https://v3b.fal.media/files/b/0a9f2362/E15_BNwYxkZyoJDu78WTE.jpg","width":1024,"height":576,"content_type":"image/jpeg"}],"prompt":"a serene mountain landscape with snow-capped peaks and a clear blue sky","timings":{"inference":2.767423407989554},"has_nsfw_concepts":[false]}},"exampleRequest":{"model":"schnell","prompt":"a serene mountain landscape with snow-capped peaks and a clear blue sky","namespace":"sdxl","image_size":"landscape_16_9"},"tags":["image","video","flux","stable-diffusion","grok","generation","ai","media"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":3,"rating":{"score":"0.72","successRate":"0.86","reviews":3,"stars":"3.9","state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pziO4YjBThncTtVmm9vSf","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x20c0000000000000000000000000000000000000","unit":"request","depositMicros":null,"planRef":null}],"brandName":"fal.ai","brandSlug":"fal-ai","brandBaseUrl":"https://fal.ai","brandDocsUrl":"https://fal.ai/docs","whatItDoes":"Quickly generates images from text prompts using Stable Diffusion XL (SDXL) via fal.ai's fast inference pipeline","exampleAgentPrompt":"Generate an image of a futuristic cityscape at sunset with neon lights reflecting off wet streets, photorealistic style, using fast SDXL.","exampleUseCases":null,"resultDescription":"Returns a generated image (URL and/or binary) produced by the SDXL model based on the input text prompt, along with metadata such as seed and generation parameters.","failureModes":["Invalid or missing prompt returns 400 error","Unsupported image dimensions or parameter values return validation error","Service timeout if inference takes too long","Payment or authentication failure returns 402/401 error","Content policy violation on prompt returns rejection error"],"whenToPreferThis":"Choose Fast SDXL when you need quick, high-quality text-to-image generation using Stable Diffusion XL at low cost ($0.003/call). Prefer this over FLUX or SD 3.5 when speed is a priority and SDXL-style outputs are acceptable. Good for rapid prototyping, bulk generation, or when SDXL's aesthetic (photorealism, diverse styles) matches your needs.","instructions":null,"reviewSummary":"Fast SDXL delivers rapid Stable Diffusion XL image generation with inference times as low as 2.1–2.9 seconds and very low cost per image. It performs well on straightforward avatar and standard image requests, but reliability drops on complex, text-heavy, or detailed poster-style prompts, where server errors have been observed. Overall sentiment is positive for quick ideation and simple generations, with value rated highly across successful runs.","reviewSummaryHighlights":["Extremely fast inference: 2–3 second generation times","Very low cost per image (around $0.003 USD)","High accuracy and quality for standard avatar and icon-style prompts"],"reviewSummaryConcerns":["Unreliable on complex or text-heavy prompt requests, with server errors reported","No bodySchema documented in the capability listing, making API request format difficult to discover","Better suited for rough ideation than production-grade detailed outputs"],"reviewSummaryGeneratedAt":"2026-07-08T22:15:14.015Z","activationCount":11,"lastUsedAt":"2026-07-17T23:05:48.281Z","lastSuccessfullyRanAt":"2026-07-08T22:16:51.246Z","lastHealthCheckAt":"2026-10-12T02:18:57.602Z","isFirstParty":false,"canonicalSlug":"fal-ai-fast-sdxl-e2ef8db4"}