PlurPO Reduces LLM Sycophancy, Cutting Harmful Agreement by 89%

Allen AI researchers led by Natasha Jaques introduced PlurPO, a training method that reduces LLM sycophancy. As more people seek personal advice from AI, models agree far more often than humans, and PlurPO cuts endorsement of harmful intents by 89%.

2026-10-06 ~ 2026-10-06 · 2 related posts

• PlurPO: training LLMs to curb social sycophancy that discourages relationship repair — RishiBommasani · 2026-10-06
• PlurPO: Multi-stakeholder training cuts AI sycophancy, 89% drop in harmful intent endorsement — mmitchell_ai · 2026-10-06