The paper mentions it uses Diffusion Transformers. The open source implementation that comes up in Google is Facebook Research's PyTorch implementation which is

The paper mentions it uses Diffusion Transformers. The open source implementation that comes up in Google is Facebook Research's PyTorch implementation which is a non-commercial license. https://github.com/facebookresearch/DiT https://github.com/facebookresearch/DiT Is there something equivalent but MIT or Apache? I feel like diffusion transformers are key now. I wonder if OpenAI implemented their SORA stuff from scratch or if they built on the Facebook Research diffusion transformers library. That would be interesting if they violated the non-commercial part. Hm. Found one: https://github.com/milmor/diffusion-transformer-keras https://github.com/milmor/diffusion-transformer-keras