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AI Image Generation API

Generate stunning images with FLUX.1 and Stable Diffusion via a simple API. OpenAI SDK compatible. Up to 10x cheaper than DALL-E.

VoltageGPU hosts the latest image generation models including FLUX.1 Pro, FLUX.1 Schnell, and Stable Diffusion XL. Access them through an OpenAI-compatible API, generate images at scale, and pay only for what you use. Our infrastructure delivers faster generation times and dramatically lower costs compared to DALL-E, Midjourney, or other hosted solutions.

Key Benefits

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OpenAI-Compatible API

Use the OpenAI SDK you already know. Just change the base URL and API key to switch to VoltageGPU.

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10x Cheaper Than DALL-E

Generate images at $0.003-0.01 per image vs $0.04-0.12 on DALL-E 3. Massive savings at scale.

Fastest Models

FLUX.1 Schnell generates images in under 2 seconds. SDXL in under 5 seconds. No queue wait times.

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No Content Restrictions

Generate any content within legal boundaries. No arbitrary censorship filters or content policies.

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Batch Generation

Generate hundreds of images in parallel. Perfect for e-commerce, marketing, and content pipelines.

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Custom Models

Deploy your own fine-tuned Stable Diffusion or FLUX checkpoints for brand-consistent generation.

Recommended GPUs

Recommended Models

Code Example

Python
from openai import OpenAI

# Use OpenAI SDK with VoltageGPU
client = OpenAI(
    base_url="https://api.voltagegpu.com/v1",
    api_key="YOUR_VOLTAGE_API_KEY"
)

# Generate an image with FLUX.1 Schnell
response = client.images.generate(
    model="black-forest-labs/FLUX.1-schnell",
    prompt="A futuristic cityscape at sunset, "
           "cyberpunk aesthetic, neon lights reflecting "
           "on wet streets, ultra detailed, 8k",
    size="1024x1024",
    n=1,
)

image_url = response.data[0].url
print(f"Generated image: {image_url}")

# Batch generation example
prompts = [
    "Product photo of white sneakers on marble background",
    "Minimalist logo design for a tech startup",
    "Illustration of a mountain landscape in watercolor style",
]

for prompt in prompts:
    result = client.images.generate(
        model="black-forest-labs/FLUX.1-schnell",
        prompt=prompt,
        size="1024x1024",
    )
    print(f"Image: {result.data[0].url}")

Frequently Asked Questions

How does VoltageGPU image generation pricing compare to DALL-E and Midjourney?
VoltageGPU is dramatically cheaper. DALL-E 3 costs $0.04-0.12 per image, Midjourney costs $0.01-0.06 per image (subscription-based). VoltageGPU with FLUX.1 Schnell costs approximately $0.003 per image, making it 10-40x cheaper depending on the comparison.
Can I use the OpenAI SDK to generate images on VoltageGPU?
Yes. VoltageGPU provides an OpenAI-compatible API. Simply change the base_url to https://api.voltagegpu.com/v1 and use your VoltageGPU API key. All OpenAI SDK features for image generation work seamlessly.
What image models are available on VoltageGPU?
We currently offer FLUX.1 Schnell (fastest, ~1.5s per image), FLUX.1 Pro (highest quality), and Stable Diffusion XL. New models are added regularly as they are released.
What resolutions and formats are supported?
FLUX.1 supports 512x512 up to 2048x2048 in any aspect ratio. Output formats include PNG, JPEG, and WebP. You can also request base64-encoded images directly in the API response.
Can I deploy my own custom image generation model?
Yes. You can deploy any Stable Diffusion or FLUX checkpoint, including LoRA-fine-tuned models, as a serverless endpoint on VoltageGPU. This is ideal for brand-specific or style-consistent image generation.

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