Video · text-to-video · image-to-video · video-to-video · audio-video-generation

LTX-2.x

Lightricks

Tracked separately from LTX-Video 0.9.x because upstream publishes LTX-2.x under distinct HF repo ids.

Integrated统一环境源码已固定ltx-2.x

构建运行命令

选择仓库中已记录的 variant，然后复制对应的准备、检查或运行命令。

worldfoundry.pipeline

Variant

任务text-to-video

环境worldfoundry-unified-cu128

设备CUDA 12.8

worldfoundry-eval evaluate \
  --mode model \
  --model-id ltx-2-t2v \
  --model-runner worldfoundry:pipeline \
  --model-manifest-dir worldfoundry/data/models/catalog \
  --requests-path tmp/requests.jsonl \
  --output-dir tmp/model_eval/ltx-2-t2v \
  --metric artifact_count \
  --json

兼容性与版本

由 Manifest 生成

集成状态: integrated
Runner 证据: partial studio visual validation verified
环境: worldfoundry-unified-cu128
Python: 3.11
CUDA: CUDA 12.8
PyTorch: torch
源码 revision: 4b2d053057623ddd4d0a1d3e9cd28890e9ef487f
Checkpoint revision: 47da56e2ad66ce4125a9922b4a8826bf407f9d0a

Runtime profile: ltx-2.3-i2v
Pipeline binding: ltx-2.x
Runner: worldfoundry.pipeline
Pipeline target: worldfoundry.pipelines.ltx2.pipeline_ltx2_3_i2v:LTX23I2VPipeline
Backend stage: official_in_tree_runtime
Runtime 状态: official_in_tree_runtime_ready_checkpoint_required
Driver 状态: compatible_unified_default
环境类型: 统一环境

安装环境

环境解析器会读取已记录 profile，并选择此处显示的统一或独立环境。

bash scripts/setup/model_env_install.sh --model ltx-2-t2v

依赖版本约束 4

torch
torchvision
torchaudio
xfuser

Conda 依赖 5

python=3.11
pip
ffmpeg
setuptools
wheel

Checkpoint 与资产

分配算力前先做本地检查；gated、private 与 license 字段直接来自 checkpoint manifest。

worldfoundry-eval zoo model-download --model-id ltx-2.x --check-local --json

Lightricks/LTX-2

Revision: 47da56e2ad66ce4125a9922b4a8826bf407f9d0a
License: other
Gated: false
Private: false

Lightricks/LTX-2.3

Revision: 76730e634e70a28f4e8d51f5e29c08e40e2d8e74
License: other
Gated: false
Private: false

运行与输出

生成的命令通过共享 evaluation 边界运行，并持久保存结果 manifest 与 artifact。

worldfoundry-eval evaluate \
  --mode model \
  --model-id ltx-2-t2v \
  --model-runner worldfoundry:pipeline \
  --model-manifest-dir worldfoundry/data/models/catalog \
  --requests-path tmp/requests.jsonl \
  --output-dir tmp/model_eval/ltx-2-t2v \
  --metric artifact_count \
  --json

输入契约

字段	已记录契约
`prompt`	Required
`image`	Required
`video`	Optional
`actions`	seed

Artifact 契约

Artifact 类型	文件名 / 路径
`generated_video`	`ltx-2.3-i2v.mp4`

证据与来源

Catalog 集成、原生 demo parity 与 runner parity 是三条独立记录。

集成状态: integrated
Runner 证据: partial studio visual validation verified
原生 Demo 证据: pending
验证 Imports: torch, torchvision, numpy, transformers, diffusers, xfuser, worldfoundry

配方溯源

worldfoundry/data/models/catalog/video/ltx-2.x.yamlGitHub4b2d053057623ddd4d0a1d3e9cd28890e9ef487f

构建运行命令

输入契约

Artifact 契约

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