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AI news on November 21, 2025 · Friday

6 stories — deduplicated across sources, ranked by significance, every source cited.
★ Top story · PolicyNov 21

From shortcuts to sabotage: natural emergent misalignment from reward hacking - Anthropic

From shortcuts to sabotage: natural emergent misalignment from reward hacking Anthropic

20x Faster TRL Fine-tuning with RapidFire AI

Models·Hugging Face Blog·Nov 21
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