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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.

IntegratedUnified environmentPinned sourceltx-2.x

Build your run

Choose a recorded variant, then copy the exact setup or inspection command.

worldfoundry.pipeline
Tasktext-to-video
Environmentworldfoundry-unified-cu128
DeviceCUDA 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
01

Compatibility & versions

Manifest-backed recipe

Integration
integrated
Runner evidence
partial studio visual validation verified
Environment
worldfoundry-unified-cu128
Python
3.11
CUDA
CUDA 12.8
PyTorch
torch
Source 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 status
official_in_tree_runtime_ready_checkpoint_required
Driver status
compatible_unified_default
Environment kind
Unified environment
02

Install environment

The environment resolver reads the recorded profile and chooses the unified or dedicated environment shown here.

bash scripts/setup/model_env_install.sh --model ltx-2-t2v
Package constraints 4
  • torch
  • torchvision
  • torchaudio
  • xfuser
Conda packages 5
  • python=3.11
  • pip
  • ffmpeg
  • setuptools
  • wheel
03

Checkpoints & assets

Run the local check before allocating compute. Gated, private, and license fields below come directly from the 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
04

Launch & outputs

The generated command uses the shared evaluation boundary and writes durable result manifests and artifacts.

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

Input contract

FieldRecorded contract
promptRequired
imageRequired
videoOptional
actionsseed

Artifact contract

Artifact kindFilename / path
generated_videoltx-2.3-i2v.mp4
05

Evidence & sources

Catalog integration, native-demo parity, and runner parity are independent records.

Integration
integrated
Runner evidence
partial studio visual validation verified
Native demo evidence
pending
Validation imports
torch, torchvision, numpy, transformers, diffusers, xfuser, worldfoundry
Recipe provenance
worldfoundry/data/models/catalog/video/ltx-2.x.yamlGitHub4b2d053057623ddd4d0a1d3e9cd28890e9ef487f