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SLA: Scaling Spatial-Language-Action Model via Continual Pre-training

Reliable robotic manipulation requires both semantic understanding and precise control in three-dimensional space. However, vision-language-action (VLA) foundations largely inherit visual representati

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Nov 6, 2026First seen
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About this paper

SLA is a spatial-language-action model that continually pre-trains and post-trains a pretrained VLA policy with spatial alignment to a frozen 3D perception model, using feature-dependent gates and probabilistic state dropout to improve spatial understanding across diverse robot data while…

Reliable robotic manipulation requires both semantic understanding and precise control in three-dimensional space. However, vision-language-action (VLA) foundations largely inherit visual representations from 2D vision-language pre-training, while spatial supervision is often introduced only during task-specific adaptation. Developing spatial understanding as a transferable foundation-model capability therefore calls for learning from broader robot experience. We present SLA, a Spatial-Language-Action Model that scales implicit spatial alignment to continual pre-training and maintains it during downstream post-training. Initialized from a pretrained pi05 policy, SLA jointly optimizes…

vision-language-action (VLA) foundations2D vision-language pre-trainingSpatial-Language-Action Modelimplicit spatial alignmentcontinual pre-trainingdownstream post-trainingpretrained pi05 policyaction predictionintermediate visual embeddingsspatial representations
Upvotes
11
Authors
10
Published
Nov 5, 2026

Summary and abstract excerpt via Hugging Face Papers ↗ · arXiv.

Trending history

SLA: Scaling Spatial-Language-Action Model via Continual Pre-training was first seen on Hugging Face · Daily papers on Nov 6, 2026. Since then it has appeared in 29 checks on 3 different days. Its best position was #1 of 30, reached on Nov 7, 07:28 UTC. It is #3 right now, holding steady at #3 over the last 6 checks.

Rank history

Position on Hugging Face · Daily papers at every check (lower is better).

#1#11#20#30 Nov 6Nov 6Nov 7Nov 8Nov 8 Nov 6, 09:28 UTC · #23Nov 6, 11:28 UTC · #11Nov 6, 13:28 UTC · #11Nov 6, 15:28 UTC · #10Nov 6, 17:28 UTC · #10Nov 6, 19:28 UTC · #6Nov 6, 21:28 UTC · #5Nov 6, 23:28 UTC · #5Nov 7, 01:28 UTC · #5Nov 7, 03:28 UTC · #2Nov 7, 05:28 UTC · #2Nov 7, 07:28 UTC · #1Nov 7, 09:28 UTC · #1Nov 7, 11:28 UTC · #3Nov 7, 13:28 UTC · #3Nov 7, 15:28 UTC · #3Nov 7, 17:28 UTC · #3Nov 7, 19:28 UTC · #2Nov 7, 21:28 UTC · #2Nov 7, 23:28 UTC · #3Nov 8, 01:28 UTC · #3Nov 8, 03:28 UTC · #3Nov 8, 05:28 UTC · #3Nov 8, 07:28 UTC · #3Nov 8, 09:28 UTC · #3Nov 8, 11:28 UTC · #3Nov 8, 13:28 UTC · #3Nov 8, 15:28 UTC · #3Nov 8, 17:28 UTC · #3

Last 14 days

Best rank per day (UTC).

Oct 26today

Metric history

▲ as reported by Hugging Face.

050100151 Nov 6Nov 6Nov 7Nov 8Nov 8 Nov 6, 09:28 UTC · 11Nov 6, 11:28 UTC · 24Nov 6, 13:28 UTC · 24Nov 6, 15:28 UTC · 25Nov 6, 17:28 UTC · 31Nov 6, 19:28 UTC · 48Nov 6, 21:28 UTC · 48Nov 6, 23:28 UTC · 48Nov 7, 01:28 UTC · 49Nov 7, 03:28 UTC · 97Nov 7, 05:28 UTC · 112Nov 7, 07:28 UTC · 137Nov 7, 09:28 UTC · 151Nov 7, 11:28 UTC · 76Nov 7, 13:28 UTC · 77Nov 7, 15:28 UTC · 78Nov 7, 17:28 UTC · 79Nov 7, 19:28 UTC · 80Nov 7, 21:28 UTC · 81Nov 7, 23:28 UTC · 81Nov 8, 01:28 UTC · 81Nov 8, 03:28 UTC · 82Nov 8, 05:28 UTC · 82Nov 8, 07:28 UTC · 83Nov 8, 09:28 UTC · 83Nov 8, 11:28 UTC · 84Nov 8, 13:28 UTC · 84Nov 8, 15:28 UTC · 84Nov 8, 17:28 UTC · 92

Questions

Is SLA: Scaling Spatial-Language-Action Model via Continual Pre-training trending on HF Daily Papers right now?

Yes. As of Nov 8, 17:28 UTC it is #3, holding steady at #3 over the last 6 checks.

What is the highest rank SLA: Scaling Spatial-Language-Action Model via Continual Pre-training reached?

#1 on Hugging Face · Daily papers, on Nov 7, 07:28 UTC. Trendoday checks this list every 120 minutes.

How long has SLA: Scaling Spatial-Language-Action Model via Continual Pre-training been trending?

It was first seen on Nov 6, 2026 and has been on the list on 3 days (29 checks) since.