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Physical AI
Training Data

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  1. VLA

    VLM vs VLA: What's the Actual Difference? (2026)

    VLMs generate text; VLAs generate motor commands. Here's exactly where the architectures diverge, what training data each needs, and why the distinction matters for robotics teams.

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  2. VLA

    How Much Training Data Does a VLA Model Need? (2026)

    OpenVLA pre-trained on 970K trajectories fine-tunes in ~1.5 hours with 50–200 demos for simple tasks. Here are the concrete numbers for VLA data requirements across task complexity.

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  3. sim-to-real

    The Sim-to-Real Gap Explained: Why It Happens and How to Close It (2026)

    Four specific causes of the sim-to-real gap — visual domain gap, physics approximation error, sensor noise mismatch, and long-tail scenario absence — and what real-world data addresses each.

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  4. physical AI

    The Physical AI Stack: From Raw Sensor Data to Robot Action (2026)

    Layer-by-layer breakdown of how physical AI robots learn: perception (Depth Anything V2, ViTPose, SAM3), world modeling, policy learning (Diffusion Policy, ACT, π0), and language grounding.

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  5. egocentric video

    7 Best Egocentric Video Data Providers for Robotics (2026)

    Side-by-side comparison of 7 egocentric video data providers for robotics and physical AI in 2026, covering Claru, Luel, Encord, Appen, Labelbox, Ego4D, and Scale AI.

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  6. data enrichment

    Data Enrichment Pipeline for Physical AI (2026)

    How Claru's enrichment pipeline adds depth maps, pose estimation, semantic segmentation, and action labels to raw video to produce training-ready physical AI datasets.

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