Model reference · open weights
WorldCrafter-Fast is an open-weight video model from TencentARC. AxForge deploys and operates it for you on dedicated EU-owned hardware — with the licence handled where one is required.
Available as managed deployment — configured and operated for you on dedicated EU hardware, quoted per deployment.
What it is
| Released by | TencentARC |
|---|---|
| Type | Video models |
| Task | Image→video |
| Runs with | diffusers |
| Released | 2026-09-21 |
| Popularity | 0 downloads / month |
| Licence | Unknown |
About
Self-contained weights for WorldCrafter Fast image-to-video, text-to-video, and the interactive image-to-video demo. Use the WorldCrafter inference code and its pinned uv environment.
The two transformer branches have independent DMD LoRA and camera adapters. The RepEncoder, text encoder, tokenizer, VAE, and scheduler are included here. No WorldCrafter-Base files are needed for Fast inference.
From the code repository root:
python inference.py --model-type fast --model-path weights/WorldCrafter-Fast --output-path outputs/fast.mp4
Image-to-video uses five high-noise steps and one low-noise step per chunk. Text-to-video uses four high-noise and eight low-noise steps for the first chunk, then two high-noise and four low-noise steps. Compilation is optional with --enable-compile.
inference_config.json resolves shared components from this directory (shared_components: "."). Keep all component folders together. manifest.json records checkpoint provenance and validation hashes; SHA256SUMS covers the packaged files.
From the published model card. Full card on the HuggingFace links in the sidebar.
Using it via the API
Once AxForge deploys worldcrafter-fast for you, it answers on the OpenAI-compatible API — the same base URL and keys as every other model. (worldcrafter-fast below is illustrative; you get the exact model name on deployment.)
$ curl -sS https://api.axforge.ai/v1/videos/generations \
-H "Authorization: Bearer $AXFORGE_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"worldcrafter-fast","prompt":"a drone shot over a forest"}'
Create an account — your API key is available in the console. 3M free tokens every 30 days with every new account.