FLUX PRICING GUIDE

FLUX API Pricing & Cost per Megapixel (2026 Comparison)

Compare FLUX API pricing across models. Run FLUX 1.1 Pro ($0.05), FLUX Kontext Pro ($0.05), and FLUX 2 Pro with zero cold starts, unified REST API, and no minimum commitments.

Updated Oct 2026 • 5 min read • Verified Production Ready

Inference Cost

$0.050

per generation

Execution Latency

0s (Warm Pool)

Warm GPU cluster

Resolution / Quality

Up to 2048x2048

Lossless output

SDK Protocol

REST / OpenAI

cURL, Python, Node

Architectural Overview

FLUX by Black Forest Labs has become the gold standard for open-weight and proprietary image generation. However, running FLUX models in production requires navigating significant GPU memory requirements and complex cloud billing. This guide provides a transparent breakdown of FLUX API costs, comparing FLUX 1.1 Pro, Kontext Pro, and legacy architectures.

Pricing Breakdown & Benchmark

No monthly base subscriptions, no minimum commitments, and no idle cluster charges. Compare real production costs below:

Model / Task	LumozAI Price	Alternative Providers	Avg Latency	Recommended For
FLUX 1.1 Pro	$0.050 / run	$0.055 / run	3.8s	High-end commercial photorealism
FLUX Kontext Pro	$0.050 / run	$0.060 / run	4.2s	Inpainting & contextual editing
FLUX 2 Pro	$0.090 / run	$0.100 / run	4.5s	Extreme typography & prompt fidelity
FLUX 3 Image	$0.050 / run	N/A	3.5s	Next-generation prompt accuracy
SDXL Lightning	$0.0023 / run	$0.004 / run	0.8s	Budget high-volume inference

Code Integration (REST, Python, Node.js)

Execute directly against our high-throughput gateway. Replace YOUR_LUMOZ_API_KEY with your free developer key.

curl -X POST "https://lumozai.com/api/v4/run" \
  -H "Authorization: Bearer YOUR_LUMOZ_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "flux-11-pro",
    "prompt": "Cinematic portrait of a robotic astronaut on Mars, 8k resolution, dramatic volumetric lighting",
    "aspect_ratio": "16:9",
    "output_format": "webp"
  }'

import requests

url = "https://lumozai.com/api/v4/run"
headers = {
    "Authorization": "Bearer YOUR_LUMOZ_API_KEY",
    "Content-Type": "application/json"
}
payload = {
    "model": "flux-11-pro",
    "prompt": "Cinematic portrait of a robotic astronaut on Mars, 8k resolution, dramatic volumetric lighting",
    "aspect_ratio": "16:9",
    "output_format": "webp"
}

response = requests.post(url, json=payload, headers=headers)
data = response.json()
print("Generated Image URL:", data.get("output"))

const response = await fetch("https://lumozai.com/api/v4/run", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_LUMOZ_API_KEY",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    model: "flux-11-pro",
    prompt: "Cinematic portrait of a robotic astronaut on Mars, 8k resolution, dramatic volumetric lighting",
    aspect_ratio: "16:9",
    output_format: "webp"
  })
});

const data = await response.json();
console.log("Image URL:", data.output);

Frequently Asked Questions

How does LumozAI bill for FLUX API calls?

LumozAI uses a straightforward pay-per-generation pricing model. There are no monthly base fees, no GPU provisioning charges, and no minimum spending commitments. Every API account receives free credits upon registration.