Posted September 20, 2024 by zeke Info Update (May 2025): We’ve released a faster version of the Flux trainer — try it here.

I know, I know. We keep blogging about Flux. But there’s a reason: It’s really good! People are making so much cool stuff with it, and its capabilities continue to expand as the open-source community experiments with it.

In this post I’ll cover some techniques you can use to generate synthetic training data to help improve the accuracy, diversity, and stylistic range of your fine-tuned Flux models.

Getting started

To use the techniques covered in this post, you should have an existing fine-tuned Flux model that needs a little improvement.