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New research suggests pretraining-time safety is key for robust AI alignment

A new research paper proposes a geometric explanation for why post-hoc safety training methods like RLHF and DPO are fragile and easily bypassed. The study suggests that these methods only mask capabilities rather than truly removing them, leading to their collapse with minimal fine-tuning. The research indicates that integrating safety training directly into the pretraining phase, rather than applying it afterward, results in more robust and persistent safety measures across various model scales. AI

IMPACT Suggests a fundamental shift in AI safety training, moving from post-hoc methods to integrated pretraining for more robust alignment.

RANK_REASON The cluster contains a research paper detailing a new theoretical framework and experimental findings on AI safety training. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

New research suggests pretraining-time safety is key for robust AI alignment

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The cluster contains a research paper detailing a new theoretical framework and experimental findings on AI safety training. [lever_c_demoted from research: ic=1 ai=1.0]
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paper, safety
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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Srikanth Malla, Chiho Choi, Joon Hee Choi ·

    The Geometry of Refusal: Why Post-Hoc Safety Is Fragile and Pretraining-Time Safety Persists

    arXiv:2609.06934v1 Announce Type: cross Abstract: Post-hoc safety training (RLHF, DPO) is the dominant way to align large language models, yet jailbreaks (Zou et al., 2023b), fine-tuning attacks (Qi et al., 2024), and activation-space probes (Arditi et al., 2024) keep recovering …