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Text-to-video diffusion model (1.3B params) with T5 encoder, transformer backbone, and causal 3D VAE all running on Trainium. Supports 13-frame and 49-frame generation at 480x832 with context parallelism for longer sequences.
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Model Details
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contrib/models/Wan2.1-T2V-1.3B/src/modeling_wan.py— Model, VAE wrappers, XLA compatcontrib/models/Wan2.1-T2V-1.3B/src/scripts/— Compilation and inference scriptscontrib/models/Wan2.1-T2V-1.3B/test/— Integration testscontrib/models/Wan2.1-T2V-1.3B/README.md— Documentation