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SCAIL-2: Open-Source End-to-End Character Animation Without Intermediate Pose Representations

SCAIL-2 by zai-org removes the reliance on skeleton maps and inpainting masks common in prior character animation pipelines, driving characters directly from video in an end-to-end manner. Trained on 60K synthesized motion pairs using SCAIL-Preview, Wan-Animate, and MoCha via a Unified Motion Transfer Interface with RoPE design, the model develops emergent abilities beyond its teacher models. Capabilities include cross-identity character replacement, animal-driving scenarios, and zero-shot support for SAM3D-Body mesh rendering.