Teaching a FLUX.2 VAE to see transparency
Image generators output opaque pictures because their VAE only has three colour channels. I widened the FLUX.2 Klein VAE to RGBA, fine-tuned it with a triple-background loss, then trained foreground-extraction LoRAs on top.
- 2,305
- new params of 84M
- 0.0204
- alpha RMSE
- 58k
- training steps












