Open-Sora 2.0 (11B open video model with training code)

{
  "archived": false,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "usefulness": "Fully open 11B T2V/I2V model (256px/768px) with checkpoints, training code and a documented ~$200K training cost claim. Valuable for studying how a complete open video-model training recipe is documented.",
  "source_type": "repository",
  "availability": "available",
  "source_owner": "HPC-AI Tech",
  "next_check_at": "2026-10-31T00:00:00.000Z",
  "hardware_notes": "Upstream: 52.5-60.3 GB peak per GPU at tested settings; --offload True reduces memory; torch >= 2.4.0, xformers, flash-attn.",
  "known_limitations": [
    "Newest news seen is 2025-03-12; check for later activity.",
    "Quality claims are self-reported."
  ],
  "upstream_updated_at": "2026-04-09T01:52:40.000Z"
}