OpenAI's cost-effective image generation model for when image quality isn't the top priority
Details
gpt-image-1-mini
Providers & Pricing (2)
GPT Image 1 Mini is available from 2 providers, with per-image pricing starting at $0.005 through fal.ai.
fal/gpt-image-1-mini
openai/gpt-image-1-mini
Input
Output
Pricing Notes (3)
- • Pricing available in both token-based and per-image formats
- • Per-image prices vary by quality (low/medium/high) and size
- • Cost-effective option when image quality isn't the top priority
GPT Image 1 Mini API OpenAI-compatible
Integrate GPT Image 1 Mini into your application for automated text-to-image generation and image editing via the Lumenfall OpenAI-compatible API. This standardized endpoint allows developers to programmatically generate and modify media using simple POST requests.
https://api.lumenfall.ai/openai/v1
gpt-image-1-mini
Text to Image Generate
Create images from text descriptions
curl -X POST \
https://api.lumenfall.ai/openai/v1/images/generations \
-H "Authorization: Bearer $LUMENFALL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-image-1-mini",
"prompt": "A serene mountain landscape at sunset",
"size": "1024x1024"
}'
# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }
import OpenAI from 'openai';
const client = new OpenAI({
apiKey: 'YOUR_API_KEY',
baseURL: 'https://api.lumenfall.ai/openai/v1'
});
const response = await client.images.generate({
model: 'gpt-image-1-mini',
prompt: 'A serene mountain landscape at sunset',
size: '1024x1024'
});
// { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
console.log(response.data[0].url);
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.lumenfall.ai/openai/v1"
)
response = client.images.generate(
model="gpt-image-1-mini",
prompt="A serene mountain landscape at sunset",
size="1024x1024"
)
# { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
print(response.data[0].url)
Image Editing Edit
Transform existing images with text instructions
curl -X POST \
https://api.lumenfall.ai/openai/v1/images/edits \
-H "Authorization: Bearer $LUMENFALL_API_KEY" \
-F "model=gpt-image-1-mini" \
-F "[email protected]" \
-F "prompt=Add a starry night sky to this image" \
-F "size=1024x1024"
# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }
import OpenAI from 'openai';
import fs from 'fs';
const client = new OpenAI({
apiKey: 'YOUR_API_KEY',
baseURL: 'https://api.lumenfall.ai/openai/v1'
});
const response = await client.images.edit({
model: 'gpt-image-1-mini',
image: fs.createReadStream('source.png'),
prompt: 'Add a starry night sky to this image',
size: '1024x1024'
});
// { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
console.log(response.data[0].url);
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.lumenfall.ai/openai/v1"
)
response = client.images.edit(
model="gpt-image-1-mini",
image=open("source.png", "rb"),
prompt="Add a starry night sky to this image",
size="1024x1024"
)
# { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
print(response.data[0].url)
Benchmarks
GPT Image 1 Mini holds the #12 position for text-to-image generation with a competitive Elo rating of 1247. This OpenAI model offers a balanced performance profile, ranking in the top tier of international image generation benchmarks for speed and efficiency.
Competition Results
Fantasy Warrior
Text-to-Image“Close portrait of a battle-worn paladin in ornate engraved plate armor, hair braided with small beads, faint scars and dirt on the skin, warm torchlight reflecting off metal, shallow depth of field, bokeh sparks, lifelike eyes, highly detailed texture on leather straps and cloth underlayer.”
Candid Street Photography
Text-to-Image“A candid street photo of an elderly Japanese man repairing a red bicycle in light rain, reflections on wet pavement, shallow depth of field, 50mm lens, natural skin texture, imperfect framing, motion blur from passing cars, cinematic but realistic, no stylization.”
Adorable Baby Animals in Sunny Meadow
Text-to-Image“Hyper-photorealistic scene of fluffy baby animals—a golden retriever puppy, tabby kitten, baby bunny, and red fox kit—with big expressive eyes and ultra-detailed soft fur, playfully chasing butterflies and tumbling together in a lush wildflower meadow, warm golden sunrise light with god rays and dew sparkles, joyful wholesome vibe, 8K masterpiece.”
Geometric Composition
Text-to-Image“A glass cube on a wooden table. Inside the cube is a small blue sphere. On top of the cube sits a red book. A green plant is behind the cube, partially visible through the glass. Soft window light from the left.”
Fantasy Warrior
Text-to-Image“Close portrait of a battle-worn paladin in ornate engraved plate armor, hair braided with small beads, faint scars and dirt on the skin, warm torchlight reflecting off metal, shallow depth of field, bokeh sparks, lifelike eyes, highly detailed texture on leather straps and cloth underlayer.”
Best for
All categoriesGallery
View all 7 imagesGPT Image 1 Mini FAQ
GPT Image 1 Mini starts at $0.005 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.
You can use GPT Image 1 Mini through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "gpt-image-1-mini". Code examples are available in Python, JavaScript, and cURL.
GPT Image 1 Mini is available through OpenAI and fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider.
GPT Image 1 Mini supports images up to 1536x1536 resolution.
Overview
GPT Image 1 Mini is a lightweight image generation model developed by OpenAI, designed specifically for efficiency and high-speed throughput. It serves as a cost-effective alternative to larger, high-fidelity diffusion models, prioritizing rapid iteration and lower compute costs over photorealistic detail. The model belongs to the gpt-image family and supports both text-to-image generation and image-to-image editing tasks.
Strengths
- Cost Efficiency: With a starting price of $0.005 per generation, it is significantly more economical than flagship models for large-scale batch processing.
- Latency: Optimized for speed, making it suitable for real-time applications where users expect near-instant visual feedback.
- Resource Management: Minimal computational footprint allows for high-concurrency deployments without the overhead associated with larger generative models.
- Functional Prototyping: Highly effective for generating placeholders, UI wireframes, or conceptual layouts where semantic accuracy is more important than visual texture or finish.
Limitations
- Lower Aesthetic Fidelity: The model is not designed for photorealism or high-definition artistic output; users may notice artifacts or lower detail in complex textures.
- Limited Fine Detail: Struggles with intricate spatial relationships or the precise rendering of small, complex elements like human hands or background text.
- Reduced Stylistic Range: While it follows prompts reliably, it lacks the creative breadth and nuanced stylistic mimicry found in its more robust counterparts.
Technical Background
GPT Image 1 Mini utilizes a streamlined architecture within the OpenAI gpt-image lineage, likely employing a distilled version of larger diffusion or transformer-based generative frameworks. The training approach focuses on maximizing the ratio of prompt alignment to parameter count, allowing the model to interpret user intent accurately while reducing the floating-point operations required for each inference. This efficiency is achieved through architectural pruning and optimized sampling techniques.
Best For
This model is ideal for developers building internal tools, automated placeholder generators, or rapid ideation features where “good enough” quality is sufficient. It is particularly effective for generating icons, simple vector-style graphics, or testing prompt engineering workflows at scale.
GPT Image 1 Mini is available through Lumenfall’s unified API and playground, allowing you to integrate it into your pipeline alongside other generative models via a single interface.
Top Matchups
See how GPT Image 1 Mini performs head-to-head against other AI image models, ranked by community votes in blind comparisons.
Try GPT Image 1 Mini in Playground
Generate images with custom prompts — no API key needed.