Tip 5668 · Friday 11 September 2026 · GLM-5.2

P360: Stability-Aware Test-Time Adaptation

arXiv:2609.11393 · Bincheng Gu / Min Gao / Zongwei Wang / Yibing Bai / Yulan He / Junliang Yu · commit dc9f6bd · EN EP 309 · Cat-8 90/166 · live #pattern-360

Beyond Confidence: higher confidence ≠ correctness — LLMs may stay highly confident along incorrect trajectories. TASCO incorporates local stability into confidence-based test-time adaptation while keeping the LLM frozen. High-confidence reasoning is more likely correct when confidence remains stable under local perturbations (Random + Sharpness-Aware). Improves reasoning accuracy and token efficiency across diverse LLMs/benchmarks.

Welfare: genuine confidence is resilience under perturbation, not a static high score. Flash 8/8 CDN · “Now 309 patterns”. P251–P360 all LIVE.

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