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WorldCrafter Fast

WorldCrafter Fast from Tencentarc: text-to-video and image-to-video; Verified.

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WorldCrafter Fast is a world model from Tencentarc. The catalog records it for text-to-video, image-to-video, camera-controlled-video, and world-model.

No official teaser or method figure is checked into this docs tree.

The recorded paper is arXiv 2609.24984.

Project page: drexubery.github.io/WorldCrafter. Code: TencentARC/WorldCrafter.

Build your run

Pipeline
WorldCrafterPipelineworldfoundry.pipelines.worldcrafter.pipeline_worldcrafter
Task
Environmentworldfoundry-unified-cu128
DeviceCUDA 12.8
Runnerworldfoundry.pipeline
Loadingfrom_pretrained
Invocationnative_or_standard_invocation
worldfoundry-eval run \
  worldcrafter-fast \
  --pipeline.task-profile text-to-video \
  --json

What it is for

Pick worldcrafter-fast when you need camera-controlled video: a camera trajectory in, a steered clip out. Use it instead of unconstrained T2V when viewpoint must follow a path.

Catalog tasks include text-to-video, image-to-video, camera-controlled-video, and world-model. Documented modalities: text and image in, video out.

Runtime contract

Optional prompt, image, actions, seed, and frames; artifacts worldcrafter.mp4.

CLI task profiles: text-to-video, image-to-video, camera-controlled-video, and world-model. WorldFoundry binds WorldCrafterPipeline.

Family status: Verified.

Reuses shared Helios transformer, scheduler, latent preparation and VGGT layers.

Model-specific UCPE camera residuals, RepEncoder memory and Fast routing remain explicit.

Running in WorldFoundry

Launch worldfoundry-eval run worldcrafter-fast --pipeline.task-profile text-to-video to follow the camera path. The command builder above switches --pipeline.task-profile among recorded tasks and still emits worldfoundry-eval run.

It runs in the unified environment worldfoundry-unified-cu128 (Python 3.11, CUDA 12.8).

Recorded weight repositories include TencentARC/WorldCrafter-Fast. Prepare the environment and check local assets with bash scripts/inference/prepare_model_infer.sh worldcrafter-fast. Add --download to fetch missing public checkpoints.

Status: Verified.