# HiDream I1 Full

> 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

## Quick Reference

- Model ID: hidream-i1-full
- Creator: HiDream AI
- Status: active
- Family: hidream
- Base URL: https://api.lumenfall.ai/openai/v1

## Specifications

- Input Modalities: text, image
- Output Modalities: image

## Model Identifiers

- Primary Slug: hidream-i1-full

## Dates


## Tags

image-generation, text-to-image

## Available Providers

### fal.ai

- Config Key: fal/hidream-i1-full
- Provider Model ID: fal-ai/hidream-i1-full
- Pricing:
  - source: official
  - currency: USD
  - components: [{"type" => "output", "metric" => "megapixel", "unit_price" => 0.05}]
  - source_url: https://fal.ai/models/fal-ai/hidream-i1-full
  - effective_at: 2025-12-30


## Image Gallery

3 images available for this model.
- Curated examples: 3
  - "Cinematic wide shot of a high-end, contemporary boutique storefront at golden hour. The storefront features a polishe..."
  - "A hyper-realistic close-up of an elderly craftsman's weathered hands meticulously assembling a vintage mechanical wat..."
  - "A vibrant, hand-painted wooden sign for "SOLSTICE GARDENS" hanging over a rustic flower shop. The gold lettering is e..."

## Example Prompt

The following prompt was used to generate an example image in our playground:

A vibrant, hand-painted wooden sign for "SOLSTICE GARDENS" hanging over a rustic flower shop. The gold lettering is elegant and perfectly rendered. In the soft-focus background, a capybara is calmly sitting among the potted clay ferns.

## Code Examples

### Text to Image (Generation)

#### cURL

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": "..." }] }

#### JavaScript

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);

#### Python

from openai import OpenAI

client = 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

#### cURL

curl -X POST \
  https://api.lumenfall.ai/openai/v1/images/edits \
  -H "Authorization: Bearer $LUMENFALL_API_KEY" \
  -F "model=hidream-i1-full" \
  -F "image=@source.png" \
  -F "prompt=Add a starry night sky to this image" \
  -F "size=1024x1024"

# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }

#### JavaScript

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);

#### Python

from openai import OpenAI

client = 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)


## About

## 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.

## Frequently Asked Questions

### How much does HiDream I1 Full cost?

HiDream I1 Full starts at $0.05 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.

### How do I use HiDream I1 Full via API?

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.

### Which providers offer HiDream I1 Full?

HiDream I1 Full is available through fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider.

## Links

- Model Page: https://lumenfall.ai/models/hidream-ai/hidream-i1-full
- About: https://lumenfall.ai/models/hidream-ai/hidream-i1-full/about
- Providers, Pricing & Performance: https://lumenfall.ai/models/hidream-ai/hidream-i1-full/providers
- API Reference: https://lumenfall.ai/models/hidream-ai/hidream-i1-full/api
- Benchmarks: https://lumenfall.ai/models/hidream-ai/hidream-i1-full/benchmarks
- Use Cases: https://lumenfall.ai/models/hidream-ai/hidream-i1-full/use-cases
- Gallery: https://lumenfall.ai/models/hidream-ai/hidream-i1-full/gallery
- Playground: https://lumenfall.ai/playground?model=hidream-i1-full
- API Documentation: https://docs.lumenfall.ai