{"uid":"cap_qP_eapzWrKRJnbZjfUZ9o","slug":"fal-ai-schnell-4412b32c","name":"FLUX.1 Schnell Fast Text-to-Image","description":"FLUX.1 [schnell] - Fast text-to-image (1-4 steps)","url":"https://fal.mpp.tempo.xyz/fal-ai/flux/schnell?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":{"request":{"seed":42,"prompt":"A beautiful sunset over rolling hills with golden light","image_size":{"width":512,"height":512},"num_images":1,"guidance_scale":7.5,"num_inference_steps":4},"response":{"seed":42,"images":[{"url":"https://v3b.fal.media/files/b/0a9c1630/cHCPysfA2fZWlmt-BBoZH.jpg","width":512,"height":512,"content_type":"image/jpeg"}],"prompt":"A beautiful sunset over rolling hills with golden light","timings":{"inference":0.06864901699736947},"has_nsfw_concepts":[false]}},"exampleRequest":{"seed":42,"prompt":"A beautiful sunset over rolling hills with golden light","image_size":{"width":512,"height":512},"num_images":1,"guidance_scale":7.5,"num_inference_steps":4},"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":18,"rating":{"score":"0.93","successRate":"0.99","reviews":18,"stars":"4.7","state":"rated"},"availabilityStatus":"healthy","priceObserved":{"p10Cents":"0.3000","medianCents":"0.3000","p90Cents":"0.3000","minCents":"0.3000","maxCents":"0.3000","p95Cents":"0.3000","sampleCount":4,"varies":false,"failureChargeRate":1},"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_Ql1RDy1mjt-KTKVhfLMdK","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":"Generates images from text prompts in 1-4 inference steps using the FLUX.1 [schnell] model for near-instant results","exampleAgentPrompt":"Use FLUX schnell to generate a 1024x768 image of a serene mountain landscape with a clear blue sky and calm lake reflecting the peaks — 4 inference steps, 1 image, seed 42.","exampleUseCases":null,"resultDescription":"Returns a list of generated image objects each with a hosted URL, width, height, and content type, along with the resolved prompt, inference timing in seconds, per-image NSFW flags, and the seed used for reproducibility.","failureModes":["Invalid image dimensions (non-standard sizes may be rejected)","Prompt too long or contains disallowed content (NSFW filter triggered)","num_inference_steps outside supported range 1-4 causes error","Network timeout if fal.ai backend is overloaded","Invalid seed value or guidance_scale out of supported bounds"],"whenToPreferThis":"Choose FLUX.1 Schnell when speed is the priority and you need images generated in under a second with 1-4 inference steps. It is ideal for rapid prototyping, real-time applications, or high-volume generation where cost ($0.003/call) and latency matter more than maximum quality. Use FLUX.1 Dev or Pro variants when higher fidelity and detail are required.","instructions":null,"reviewSummary":"FLUX.1 [schnell] delivers fast, high-quality text-to-image generation at $0.003 per call, with strong reliability across 18 reviews and only one reported failure (HTTP 500). Output quality is consistently praised across diverse styles — photorealistic, painterly, editorial, and concept art — with inference times ranging from ~140ms to ~36s total latency depending on load. The primary recurring flaw is uncontrollable hallucinated or misspelled text rendered into images, particularly problematic for document-style, stamp, or label subjects.","reviewSummaryHighlights":["Exceptional price-to-quality ratio at $0.003 per image across diverse styles and resolutions","Reliable batch generation with zero failures across multi-image runs in most sessions","Straightforward schema with clean hosted fal.media URL output, no auth header required"],"reviewSummaryConcerns":["Hallucinated or misspelled lettering appears in margins and text-bearing subjects regardless of negative prompting","Occasional HTTP 500 errors resulting in failed generation and lost payment","Total call latency can reach 15–36s despite fast inference, depending on conditions"],"reviewSummaryGeneratedAt":"2026-09-15T22:15:14.068Z","activationCount":483,"lastUsedAt":"2026-09-19T09:46:39.293Z","lastSuccessfullyRanAt":"2026-09-19T09:46:39.293Z","lastHealthCheckAt":"2026-10-11T04:41:33.434Z","isFirstParty":false,"canonicalSlug":"fal-ai-schnell-4412b32c"}