# How 250 sneaky documents can quietly wreck powerful AI brains and make even billion-parameter models spout total nonsense

> Just 250 corrupted files can make advanced AI models collapse instantly, Anthropic warns Tiny amounts of poisoned data can destabilize even billion-parameter AI systems A simple trigger phrase can force large models to…

- **Source:** [TechRadar](https://www.techradar.com/pro/how-many-malicious-docs-does-it-take-to-poison-an-llm-far-fewer-than-you-might-think-anthropic-warns?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=68eec1ad3aef3df3fc8305dd)
- **Published:** 2025-10-14
- **Category:** AI & Bots
- **Tags:** #anthropic #models #data #billion #documents #nonsense #parameter #brains
- **Canonical:** http://localhost:4321/a/68eec1ad3aef3df3fc8305dd

---

_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._