Openjourney

by Prompthero

About the model:

Model trained on MidJourney images.

Model type:

Image

Model performance class:

Full

Link to the model:

https://openjourney.art

Base models:

Stable-Diffusion-v1.5

End model:

OpenJourney-v4

End model license:

CreativeML Open RAIL-M

About the organisation:

Prompt engineering site.

Link to the organisation:

https://prompthero.com/

Model release date:

November 2022

Availability

Base Model Data

Originally trained on LAION-5B, which is ostensibly open.

https://arxiv.org/abs/2210.08402

End User Model Data

Model card mentions the model was fine-tuned on Midjourney images however no link is provided. Given that the model creators also own a Midjourney image database it can be assumed the model was fine-tuned on these images.

https://huggingface.co/prompthero/openjourney

Base Model Weights

Model not made publicly available.

End User Model Weights

Weights are provided as a safetensors file.

https://huggingface.co/prompthero/openjourney/tree/main

Training Code

No training code found.

Documentation

Code Documentation

No training code found, so no documentation.

Hardware Architecture

No detailed architecture information provided.

Preprint

No preprint found.

Paper

No peer-reviewed paper found.

Modelcard

Model card only contains minimal information.

Datasheet

No data published, so no data sheet.

Access

Licenses

Creativeml-OpenRail-M, not an OSI-approved license.

https://huggingface.co/prompthero/openjourney-v4

Last updated 13 March 2026

Is this information not up to date?

Contribute here ->

Supported by the Centre for Language Studies and the Dutch Research Council. Website design & development © 2024 by BSTN. This version of the index generated 09 April 2026, website content last updated 11 March 2026.