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prompthero/midjourney-v4-diffusion · Hugging Face
Openjourney is an open-source Stable Diffusion model for generating images from prompts.

About prompthero/midjourney-v4-diffusion · Hugging Face
Openjourney by PromptHero is an open source Stable Diffusion model fine-tuned on Midjourney images. It generates images from text prompts and is used like other Stable Diffusion models through the Diffusers library.
Prompts include the phrase "mdjrny-v4 style" to apply its style, and the model can be exported to ONNX, MPS and FLAX/JAX.
Key features
- Generates images from text prompts via Stable Diffusion
- Fine-tuned on Midjourney images by PromptHero
- Uses "mdjrny-v4 style" phrase to apply style
- Compatible with standard Diffusers StableDiffusionPipeline code
- Exportable to ONNX, MPS, and FLAX/JAX formats
- Offers LoRA version and Openjourney v4 variant
- Open source Stable Diffusion fine-tuned model
- Works like other Stable Diffusion models in Diffusers
- Supports export to ONNX, MPS, and FLAX/JAX
prompthero/midjourney-v4-diffusion · Hugging Face at a glance
- Category
- AI & Machine Learning › AI Image Generators
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
prompthero/midjourney-v4-diffusion · Hugging Face alternatives
Tools and sites you could use instead, ranked by how closely they match.
Stable Diffusion Online generates images from text descriptions using the Stable Diffusion model.
Stable Diffusion generates images from text prompts and is available through Replicate’s text-to-image API.
InvokeAI is a creative engine for Stable Diffusion models, with a web interface for generating and creating visual media.
Artificial Art generates images online using Stable Diffusion and the Stable Horde service.
DiffusionBee runs Stable Diffusion locally to create images from AI art prompts.
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prompthero/midjourney-v4-diffusion · Hugging Face FAQ
How do I apply the Openjourney style?
Can I use it with existing Stable Diffusion code?
What export formats are supported?
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