OpenAI's previous image generation model that accepts both text and image inputs and produces image outputs
Details
gpt-image-1
Providers & Pricing (2)
GPT Image 1 is available from 2 providers, with per-image pricing starting at $0.011 through fal.ai.
fal/gpt-image-1
Output
Pricing Notes (2)
- • Pricing passes through OpenAI rates
- • Per-image prices vary by quality (low/medium/high) and size
openai/gpt-image-1
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
- • Supports up to 10 input images; first image preserved with higher fidelity
GPT Image 1 API OpenAI-compatible
Access GPT Image 1 via the Lumenfall OpenAI-compatible API to integrate text-to-image generation and complex image editing into any application.
https://api.lumenfall.ai/openai/v1
gpt-image-1
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", "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', 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 OpenAIclient = OpenAI( api_key="YOUR_API_KEY", base_url="https://api.lumenfall.ai/openai/v1")response = client.images.generate( model="gpt-image-1", 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" \ -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', 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 OpenAIclient = OpenAI( api_key="YOUR_API_KEY", base_url="https://api.lumenfall.ai/openai/v1")response = client.images.edit( model="gpt-image-1", 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)Gallery
View all 3 imagesGPT Image 1 FAQ
GPT Image 1 starts at $0.011 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.
You can use GPT Image 1 through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "gpt-image-1". Code examples are available in Python, JavaScript, and cURL.
GPT Image 1 is available through OpenAI and fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider.
GPT Image 1 supports images up to 1536x1536 resolution.
Overview
GPT Image 1 is a multimodal generative model developed by OpenAI that produces visual content from both text and image-based prompts. Unlike traditional text-to-image models that rely solely on natural language, this model supports image-to-image workflows, allowing users to provide an existing visual reference as a baseline for generation. It serves as a versatile tool for both creation from scratch and iterative image editing.
Strengths
- Multimodal Input Processing: Specifically designed to ingest both image and text inputs concurrently, allowing for precise control over the visual style, composition, or subject matter of the output.
- Image Editing and Inpainting: Excels at modifying existing imagery based on text instructions, such as adding objects, changing backgrounds, or adjusting stylistic elements while maintaining parity with the original file.
- Prompt Adherence: Demonstrates strong alignment with complex, multi-part text descriptions, translating specific descriptors into coherent visual arrangements.
- Workflow Integration: Operates effectively in pipelines requiring consistent transformations across multiple images, such as applying a uniform art style to different source photographs.
Limitations
- Lower Resolution Output: Compared to the most recent state-of-the-art diffusion models, the native resolution and fine-grained texture detail may be less sharp.
- Anatomical Accuracy: Like many models in its generation, it may struggle with highly precise anatomical details, such as the exact number of human fingers or complex mechanical interlockings.
- Text Rendering: While capable of generating imagery, the model is not optimized for rendering legible, high-fidelity typography within an image.
Technical Background
GPT Image 1 belongs to the GPT-image family, utilizing a transformer-based architecture adapted for visual synthesis. It was developed by OpenAI using a training methodology centered on understanding the relationship between visual tokens and linguistic semantics. This approach allows the model to treat image pixels or latent representations similarly to how its predecessors treated text tokens, enabling fluid reasoning between the two modalities.
Best For
GPT Image 1 is best suited for visual brainstorming, creating assets from rough sketches, and performing guided image-to-image translations where a reference image is mandatory. It is a reliable choice for developers building tools for photo editing, concept art iteration, or social media content generation.
GPT Image 1 is available for integration and testing through Lumenfall’s unified API and interactive playground, providing a streamlined environment to compare its multimodal capabilities against other modern generative models.
Try GPT Image 1 in Playground
Generate images with custom prompts — no API key needed.