{
  "id": "system-2-attention",
  "code": "PTL-0040",
  "term": "System 2 Attention",
  "aliases": [
    "S2A"
  ],
  "category": "reasoning",
  "definition": "System 2 Attention (S2A) first prompts the model to rewrite the input so that it keeps only the relevant, unbiased content, then answers using the rewritten context.",
  "description": "Weston and Sukhbaatar showed this reduces the influence of irrelevant or opinionated text in the prompt, improving factuality and reducing sycophancy toward opinions stated in the question.",
  "example": null,
  "broader": [],
  "narrower": [],
  "related": [
    "thread-of-thought",
    "sycophancy",
    "rephrase-and-respond"
  ],
  "introduced": 2023,
  "sources": [
    {
      "title": "System 2 Attention (is something you might need too)",
      "authors": "Weston & Sukhbaatar",
      "year": 2023,
      "url": "https://arxiv.org/abs/2311.11829"
    }
  ],
  "url": "https://protologue.com/t/system-2-attention/",
  "citation": "Protologue. (2026). System 2 Attention. In Protologue: A Taxonomy of Prompting and LLM Techniques (v1.0.0, PTL-0040). https://protologue.com/t/system-2-attention/"
}