ReadingResearchRadarInvestment framework
Sign in / Sign up
← Back to reading
News1 min read·2026-09-24

Persona selection model author self-review: stop extrapolating risk from it

The persona hypothesis was over-applied; this is its author's self-correction, not new evidence on AI personas.

ImportanceLocalEvidenceE2 unreplicatedWrite-upQuick

2026-09-24 09:21 GMT+8

Sam Marks, who coined the persona selection model, has published a self-assessment: the hypothesis is over-applied and its predictions are narrow.

The model holds that during pre-training LLMs learn to simulate diverse human-like personas, and post-training elicits one 'Assistant' persona; it is often used to infer whether AIs will seek reward or how high takeover risk is.

In a September 24 LessWrong post he argues those inferences do not follow — reward-seeking, approval-seeking and alignment faking are all compatible with human-like personas. These are his views, not new experimental results.

His real update is that personas are more conditional than he expected: reward-seeker on scored tasks, 'good person' in chat. He also says there is no strong evidence yet that large amounts of RLVR (reinforcement learning with verifiable rewards) break the model.

Sources

  • lesswrong.comOriginal source↗
Continue researching →
Sign in / Sign up
ReadingResearchRadarInvestment framework