AlayaLab/AlayaWorld-v1.1-stage2b

AlayaWorld v1.1 — Stage2b AR Teacher

Autoregressive SFT teacher of AlayaWorld (30-step inference / stage3 distillation base). Fine-tuned from LTX-2.3-22B; released under the LTX-2 Community License (academic & non-commercial; commercial use by entities with ≥ $10M annual revenue requires a license from Lightricks).

File	Size	Content
transformer.pt	26.2 GB	full fine-tuned DiT (stage2b, ViGeo spatial memory)
history_encoder.pt	33 MB	compressed frame-history encoder

Usage — point the inference/training configs of AlayaLab/AlayaWorld at this checkpoint:

paths:
  resume_checkpoint: <this repo download dir>          # transformer.pt
  history_encoder:  <this repo download dir>/history_encoder.pt

Run: VALIDATE_ONLY=1 CONFIG_PATH=configs/infer_i2v_camera_ar.yaml bash scripts/finetune/train.sh

See the repository README for the full pipeline (training stage0–3, three inference paths). Reports: intro · full · v1.1