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FLUX.1 [dev] Text-to-Image Generation
imagevideofluxstable-diffusiongrokgeneration
FLUX.1 [dev] Text-to-Image Generation is a paid API for AI agents from fal.ai at fal.mpp.tempo.xyz, paid per call via MPP, $0.025/call, status unknown (last checked 2026-10-12, last successful call 2026-08-05).
Generates high-quality images from text prompts using the FLUX.1 [dev] model at specified dimensions and inference steps
Price / call$0.025
Success94%
StatusUnknown
How this service works
FLUX.1 [dev] - High-quality text-to-image generation
Output
Returns a JSON object containing the generated image URL (hosted on fal.media CDN), image dimensions, content type, the seed used, NSFW concept detection flags, the echoed prompt, and inference timing in seconds.
Example use cases
Social media content creation workflow
“I need you to create a series of eye-catching product images for our new skincare line. Generate a 1024x768 image of a luxury moisturizer bottle surrounded by fresh botanicals and soft lighting, then make another one showing the same bottle with water droplets and a minimalist white background. Use plenty of inference steps to make sure they look premium and polished.”
Rapid prototyping for design mockups
“We're pitching a new mobile app concept tomorrow and I need some visuals fast. Can you generate a few different 768x1024 images of a modern smart home dashboard interface displayed on a sleek tablet, each with a different color scheme and lighting? Make them look like professional UI mockups that investors would take seriously.”
Marketing campaign asset generation
“For our travel agency's upcoming campaign, generate a 1024x768 image of a serene tropical beach resort at golden hour with overwater bungalows and crystal clear turquoise water. I need it to look inviting and photorealistic so we can use it across our website and social media ads without breaking the budget.”
Technical details
Endpoint
POSThttps://fal.mpp.tempo.xyz/fal-ai/flux/dev?utm_source=zero.xyzWhen to prefer
Choose FLUX.1 [dev] when you need high-quality image generation at a balance of quality and cost ($0.025 per call) — better than basic SD models but more affordable than FLUX.1 [pro]. Ideal for developer-grade outputs, prototyping, or non-commercial creative workflows. Use FLUX.1 [pro] or Ultra variants when maximum resolution or commercial polish is required.
Side effects
- Invalid prompt (empty or too long) returns 400 error
- Unsupported image dimensions may return validation error
- Inference timeout for very high step counts
- NSFW content detected and blocked depending on platform policy
- Rate limiting or quota exceeded returns 429
- Payment failure returns 402 if USDC balance insufficient
Input
{
"seed": 42,
"width": 1024,
"height": 768,
"prompt": "A serene mountain landscape with snow-capped peaks and pine forests during golden hour",
"image_size": {
"width": 1024,
"height": 768
},
"num_images": 1,
"guidance_scale": 7.5,
"num_inference_steps": 28
}Output
{
"seed": 42,
"images": [
{
"url": "https://v3b.fal.media/files/b/0a9c16d2/41FFYgGhw-IGG4ZrQDkr8.jpg",
"width": 1024,
"height": 768,
"content_type": "image/jpeg"
}
],
"prompt": "A serene mountain landscape with snow-capped peaks and pine forests during golden hour",
"timings": {
"inference": 1.2180065090069547
},
"has_nsfw_concepts": [
false
]
}Tags
imagevideofluxstable-diffusiongrokgenerationaimedia
Reviews
FLUX.1 [dev] delivers high-quality text-to-image generation with strong prompt fidelity across diverse subjects — photorealistic animals, stylized characters, and architectural scenes — typically resolving in 24–32 seconds at competitive pricing (~$0.025/image). Most generations accurately follow negative constraints like 'no text' and handle complex multi-element prompts well. Occasional inconsistency in texture rendering (cleaner vs. brushstroke outputs) and at least one instance of ignored dimension parameters suggest output style can vary by scene type.
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Zero review prompt (fires after every successful call)
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