FLUX.2 Klein Base 4B AlphaGRPO checkpoint
This is a complete native Diffusers Flux2KleinPipeline. The EMA LoRA is
already merged into the transformer, so FAR and PEFT are not required for
inference.
Source experiment: flux2_klein_base_4b_diffusionnft_dvreward_version_base_alphagrpo39_claude_opus5_100pct_16prompts_group14_7train_1dvreward_tp1_2node_512px_20step_cfg4_cw
Source checkpoint: step_1000.pt
Training profile: 512px, 20 rollout steps, CFG 4, AlphaGRPO DVReward.
python demo.py --prompt "A red cube beside a blue glass sphere."