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OpenAI image generation API

GPT Image API for production images.

GPT Image API gives teams a GPT image generation option with practical prompt reasoning, strong instruction following, and a clean async API workflow.

Model slug
gpt-medium
Credit rate
3 credits per image
Provider
OpenAI
GPT Image API image generation sample

Model overview

Why use GPT Image through LumixAI?

GPT Image image generation through the LumixAI API with live model pricing from the backend.

Use GPT Image through LumixAI when you want one stable REST workflow for prompts, model selection, async jobs, polling, usage tracking, and credit pricing. The page targets searches for GPT Image API, GPT Image image API, and OpenAI image generation API.

AI image generation

production workflows

API integrations

Developer workflow

Call GPT Image without a separate provider integration.

Async jobs

Queue generation with /v1/images/jobs, poll /v1/images/jobs/{id}, then download the finished image.

Credit pricing

GPT Image starts at 3 credits per image before conditional rules.

Modality
Image
Aspect ratios
1:1, 2:3, 3:4, 3:2
Resolutions
Default
await fetch("https://api.lumixai.live/v1/images/jobs", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": process.env.LUMIXAI_API_KEY
  },
  body: JSON.stringify({
    model: "gpt-medium",
    prompt: "premium product image, clean studio lighting",
    aspectRatio: "1:1",
    resolution: "2k"
  })
});

Next step

Generate your first GPT Image image.

Generate with LumixAI