HiDream AI's 17B parameter text-to-image model using sparse diffusion transformer with mixture of experts, achieving state-of-the-art image generation quality with strong prompt following
Details
hidream-i1-full
Providers & Pricing (1)
HiDream I1 Full is available exclusively through fal.ai, starting at $0.05/image.
fal/hidream-i1-full
HiDream I1 Full API OpenAI-compatible
Integrate the HiDream I1 Full model into any application via a single OpenAI-compatible endpoint to programmatically generate high-fidelity images and perform complex image editing.
https://api.lumenfall.ai/openai/v1
hidream-i1-full
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": "hidream-i1-full", "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: 'hidream-i1-full', 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="hidream-i1-full", 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=hidream-i1-full" \ -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: 'hidream-i1-full', 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="hidream-i1-full", 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 imagesHiDream I1 Full FAQ
HiDream I1 Full starts at $0.05 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.
You can use HiDream I1 Full through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "hidream-i1-full". Code examples are available in Python, JavaScript, and cURL.
HiDream I1 Full is available through fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider.
Overview
HiDream I1 Full is a high-capacity text-to-image and image-to-image model developed by HiDream AI. Utilizing a 17-billion parameter architecture, it is designed to bridge the gap between complex natural language prompts and high-fidelity visual outputs. The model is distinctive for its use of a Sparse Diffusion Transformer (DiT) combined with a Mixture-of-Experts (MoE) framework, allowing it to handle massive parameter counts with localized computational efficiency.
Strengths
- Prompt Adherence: The model demonstrates high fidelity to long, descriptive, and nuanced text prompts, accurately placing specific objects and attributes within a scene as requested.
- Compositional Detail: Due to the large parameter count, it excels at rendering complex textures and lighting conditions that smaller diffusion models often struggle to resolve.
- MoE Efficiency: The Mixture-of-Experts architecture allows the model to activate only a subset of its 17B parameters per request, leading to sophisticated image generation qualities without the prohibitive latency typical of monolithic models of this scale.
- Multimodal Input: It native supports image-to-image workflows, allowing users to provide visual references to guide the style, structure, or content of the final output.
Limitations
- Computational Cost: At $0.05 per generation, the model is targeted towards high-end production use cases and may be less economical for high-volume, low-stakes applications compared to smaller distilled models.
- Specialized Hardware Requirements: Due to the 17B parameter size, local deployment is challenging, making it primarily a cloud-driven model for most enterprise environments.
- Training Cutoff: Like all diffusion models, it may lack specific knowledge of very recent events, niche brand logos, or specialized technical schematics unless explicitly provided in the prompt or through fine-tuning.
Technical Background
HiDream I1 Full is built on a Diffusion Transformer (DiT) backbone, a departure from the traditional U-Net architectures used in earlier generative models. It integrates a Sparse Mixture-of-Experts (MoE) layer, which scales the model’s capacity to 17 billion parameters while maintaining manageable inference speeds. This training approach emphasizes high-dimensional latent space representations to ensure that fine-grained textual details are mapped accurately to pixels.
Best For
- Professional Concept Art: Generating high-resolution environment and character designs where specific lighting and material properties are critical.
- Precision Marketing Assets: Creating brand-aligned imagery that requires strict adherence to complex creative briefs.
- Visual Prototyping: Rapidly iterating on product designs using image-to-image guidance to maintain structural consistency.
HiDream I1 Full is available for immediate testing and deployment through Lumenfall’s unified API and interactive playground.
Try HiDream I1 Full in Playground
Generate images with custom prompts — no API key needed.