# Small Wikipedia Edits Can Shift the Values Large Models Express

A small number of volunteers editing a high-weight training source can change how models discuss a topic, making data provenance a security surface.

- Published: 2026-06-25T10:46:42.427Z
- Canonical: https://polylog.news/ai/2026-06-25/small-wikipedia-edits-can-shift-the-values-large-models-expr
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [arXiv cs.CL](https://arxiv.org/abs/2606.24890)

A paper titled Small edits, large models asks whether a small group of volunteers can shape how AI systems discuss a topic, in this case animal welfare, simply by editing Wikipedia. The authors report that they can. Wikipedia appears in nea…

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