Build Your Own Stable Diffusion API

Leverage your private Stable Diffusion API with ComfyUI or Automatic1111 using an RTX 3090 Blib (or faster) from Trooper.AI.

Start your GPU server now →


Bring Generative AI to Life – On Your Own Infrastructure

Your API lab is waiting
Your API lab is waiting

Want to create your own ComfyUI or Automatic1111 API for image generation with Stable Diffusion XL — fully controlled, ultra-fast, and hosted on a 3090 or higher blib here at Trooper.AI?

That’s exactly what we enable. Instead of relying on external APIs, you can deploy, configure, and run your private AI image API in the EU at minimal cost and maximum performance.

Whether you’re integrating AI image generation into your software, building a creative platform, or running automated workflows — our Trooper.AI GPU servers are designed for developers who want to own their API and scale on demand.

👉 Deploy your own AI API now →


Fast, Reliable, and Fully Yours

Woman in lab
Woman in lab

With a dedicated RTX 3090 or stronger GPU, you can launch your ComfyUI or Automatic1111 backend and expose it as a custom REST API.
Your IT team can process Stable Diffusion prompts directly from your applications and return images in seconds.

💡 No shared queues, no throttling, full admin control – your blib, your AI, your API.

👉 Launch your ComfyUI or Automatic1111 API →


Why Build Your Own AI API on Trooper.AI?

Make your images with API
Make your images with API

Here are the top 5 why you should choose us for your Stable Diffusion XL API project:

  • EU Datacenters: All Trooper.AI servers are hosted in Tier-3 data centers in Germany, France, and the Netherlands — GDPR-compliant, secure, and optimized for low latency.
  • Raw Performance: Each blib runs on upcycled RTX 3090, 4090, or A100 GPUs with high-speed NVMe storage and tuned CUDA configurations — perfect for Stable Diffusion XL, SD3, and ControlNet workflows.
  • Cost Efficiency: You pay only for the time your GPU server runs — starting at $0.12/h on an NVIDIA A4000 blib, or scale up to high-performance 3090+ and 4090 servers for heavier workloads.
  • Full Customization: Train, fine-tune, or script your workflow. Connect external UIs, set custom endpoints, and integrate additional AI models like LoRAs or ControlNet extensions.
  • EU Privacy & Control: Your data never leaves the EU. Perfect for businesses and developers who need on-prem-style privacy with cloud flexibility.

Get your 3090+ or A4000 blib today →


Example images generated with a simple SDXL API on A1111

View some example images generated with Stable Diffusion XL API from ComfyUI or Automatic1111. These example are simple prompts and renders of SDXL Base checkpoint. We recommend using newer checkpoints like Juggernaut-XL-v9.

  • Woman in red dress
    Woman in red dress
  • Business Man in modern look
    Business Man in modern look
  • Indian Female in Sunlight
    Indian Female in Sunlight
  • Woman in bedroom
    Woman in bedroom
  • Cute dog in the rain
    Cute dog in the rain

From Chat to API: Control Your Own Workflow

Modern work area
Modern work area

With Trooper.AI, you’re not just running a model — you’re building your own creative infrastructure.
Host Automatic1111 for instant prompt-to-image rendering, or deploy ComfyUI for advanced graph-based automation.

  • Expose endpoints to generate, upscale, and modify images
  • Automate post-processing or dataset creation
  • Manage your AI like a microservice: scalable, programmable, independent

💬 Example: Run Stable Diffusion XL on your own REST API endpoint, integrate it into your SaaS or web app, and respond to user prompts with instant image generation.

Start building your AI infrastructure →


Performance, Pricing, and Efficiency

Choosing the right Trooper.AI blib for Stable Diffusion XL doesn’t have to be expensive. We offer options to fit your budget, from the affordable A4000 to powerful 4090 configurations.

For most users, a 3090 blib offers the best balance of speed and cost, generating images in 5-12 seconds.

To get the most value, start with a lower-tier option and scale up if you need faster performance or higher resolution. Consider your typical image complexity and desired speed when making your choice.

GPU VRAM Generation SDXL (16 imgs)* starting at images per hour price per image
RTX 5090 32 GB Blackwell 0:47 min €0.92/h 1224 img/h €0.00075/img
A100 40 GB Ampere 1:18 min €1.38/h 738 img/h €0.00187/img
RTX 4090 24/48 GB Ada 1:19 min €0.72/h 727 img/h €0.00099/img
RTX 4070 Ti S 16 GB Ada 2:17 min €0.29/h 421 img/h €0.00069/img
RTX 3090 24 GB Ampere 2:24 min €0.35/h 400 img/h €0.00088/img
Tesla V100 16/32 GB Volta 2:36 min €0.42/h 369 img/h €0.00114/img
RTX A4000 16 GB Ampere 3:37 min €0.22/h 265 img/h €0.00083/img

* SDXL benchmark with Automatic1111 v1.6.0 (1024×1024, CFG Scale: 7, Steps: 30, batch 4x4).

👉 Choose your blib configuration →


Why Trooper.AI?

Female business suit
Female business suit

We’re the first 100% upcycling AI server provider in the EU — delivering pro-grade GPU servers made from top-tier gaming hardware at unbeatable value.
Whether you’re a startup, dev agency, or AI researcher, our 3090+ blibs give you the power of a data center — without the overhead.

“Incredible quality, real EU infrastructure, and total freedom to create your own AI pipeline.”

👉 Rent your GPU server now →


Ready to Start?

Deploy your Automatic1111 or ComfyUI instance in minutes.
Turn your 3090+ blib into a self-hosted AI API — scalable, flexible, and 100% under your control.

🎨 Start your GPU server now
📧 sales@trooper.ai
📞 +49 6126 928999-1

Order your blib and start building →