Skild AI Skild Brain

2025-07-29 · Publisher : Skild AI · Domain : Robotics

Skild AI unveils the Skild Brain, an "omni-bodied" foundation model controlling quadrupeds, humanoids, tabletop arms and mobile manipulators with a two-frequency hierarchical architecture.

What changes

One model for quadrupeds, humanoids, arms and mobile manipulators.
Low-frequency high-level policy, high-frequency low-level policy.
Trained across varied morphologies, including human data.
Skild AI criticizes VLAs that add under 1% robot data to a VLM.

### Background On July 29, 2025, Skild AI, a Pittsburgh startup founded by Carnegie Mellon researchers, publicly outlined the principles of its model, the Skild Brain. Its ambition: a single "brain", independent of robot type and task. ### Specifications - **Omni-bodied**: the same model runs on quadrupeds, humanoids, tabletop arms and mobile manipulators. Training across morphologies, including humans, expands available data and adds robustness to hardware failures. - **Hierarchical architecture**: a low-frequency high-level manipulation and navigation policy feeds a high-frequency low-level policy that outputs joint angles and motor torques. - **Deployment**: the generalist model is then fine-tuned and distilled for each deployment. - **Positioning**: Skild AI disputes the approach of starting from a vision-language model and adding under 1% robot data, which it sees as lacking action information. ### Why it matters The Skild Brain embodies a strong thesis: the brain should be decoupled from the body and serve every robot form. If confirmed, value concentrates in software rather than hardware. ### Key takeaway Skild AI raised $1.4 billion in January 2026, then released S1 in August 2026.

Skild AI Skild Brain

What changes

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