Alibaba’s RynnBrain 1.1 scales embodied foundation models up to 122B-A10B
Alibaba-DAMO-Academy · hf · 2026-07-21
What it is
RynnBrain 1.1 is Alibaba DAMO Academy’s embodied foundation model family, spanning 2B, 9B, and 122B-A10B scales.
What changed from v1.0
- Built with a unified spatio-temporal and physically grounded training framework.
- Covers embodied perception, spatial reasoning, localization, and planning.
- Adds contact-point prediction across the family.
- Adds native 3D grounding for the 2B and 9B models, making outputs more directly aligned with manipulation.
- RynnBrain-VLA introduces a unified cross-embodiment action space plus embodiment-specific masking.
Deployment and results
- Deployed on Unitree G1, Astribot-S1, and Tianji-Wuji.
- The 122B-A10B model reportedly beats all evaluated proprietary and open-source models on VSI-Bench, MMSI, and RefSpatial-Bench.
- Real-robot experiments show RynnBrain-initialized policies outperform Qwen-based and representative generalist VLAs, and joint multi-task / multi-embodiment training improves success rates and process scores.
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