Async jobs
Queue generation, poll status, and return image URLs when render completes.
LumixAIOpenAI image generation API
GPT 1.5 API
GPT 1.5 API gives teams a GPT image generation option with practical prompt reasoning, strong instruction following, and a clean async API workflow.
- Model slug
- gpt-1-5-medium
- Credit rate
- 2 credits
- Provider
- OpenAI
Model overview
What is GPT 1.5 API?
Efficient GPT Image 1.5 style API page for teams seeking low-cost AI image generation.
Use GPT 1.5 through LumixAI when you want one stable REST workflow for prompts, model selection, async jobs, usage tracking, and credit pricing. The page targets searches for GPT 1.5 API, GPT 1.5 image API, and OpenAI image generation API.
budget generation
image variants
fast drafts
Developer workflow
Call GPT 1.5 from one image API.
Credit pricing
GPT 1.5 starts at 2 credits per image before conditional rules.
await fetch("https://api.example.com/v1/images/jobs", {
method: "POST",
headers: {
"Content-Type": "application/json",
"X-API-Key": process.env.LUMIXAI_API_KEY
},
body: JSON.stringify({
model: "gpt-1-5-medium",
prompt: "premium product image, clean studio lighting",
aspectRatio: "16:9",
resolution: "2k"
})
});SEO content source map
Source-informed model positioning.
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