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Showing papers from Microsft Research Asia Show all papers

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STARE: Surprisal-Guided Token-Level Advantage Reweighting for Policy Entropy Stability

STARE analyzes token-level entropy dynamics under GRPO, identifies a credit assignment mismatch, and uses surprisal-guided advantage reweighting to stabilize policy entropy, improving AIME accuracy by 4-8%.

HAIPENG LUO, Qingfeng Sun, Song-Li Wu, Can Xu and 3 more

Sydney Poster Session 5, Thu, Dec 10, 10:00 AM–1:00 PM, Hall 1-4 · Published 2026 · ▲ 12 on Hugging Face · Code ★ 24

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AI panel: 14 of 20 reviewers recommend it
lenient 2/5
medium 10/10
strict 2/5
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Embodied-R1.5: Evolving Physical Intelligence via Embodied Foundation Models

Embodied-R1.5 is an 8B-parameter embodied foundation model achieving state-of-the-art results on 16 of 24 embodied VLM benchmarks via multi-task balanced RL and a closed-loop planner-grounder-corrector framework.

Yifu Yuan, Yaoting Huang, Xianze Yao, Shuoheng Zhang and 19 more

Sydney Poster Session 1, Tue, Dec 8, 10:00 AM–1:00 PM, Hall 1-4 · Published 2026 · ▲ 59 on Hugging Face · Code ★ 60

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13/20 AI panelreviewers recommend it

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AI panel: 13 of 20 reviewers recommend it
lenient 4/5
medium 6/10
strict 3/5