{
  "id": "2610.21182",
  "title": "Does Latent Chain-of-Thought Actually Reason? A Single, Unifying Taxonomy for Latent Reasoning",
  "authors": "Jingjie Qiu, Sheldon Yu, Xunyi Jiang, Jiajin Liu, Zihan Huang, Zhendong Chu, Tong Yu, Julian McAuley, Junda Wu",
  "first_public": "2026-10-15",
  "venue": "arXiv",
  "arxiv": "2610.21182",
  "paper_url": "https://arxiv.org/abs/2610.21182",
  "lens": [
    "analysis",
    "continuous"
  ],
  "representation": [
    "continuous-state"
  ],
  "computation": [
    "token-wise"
  ],
  "training": [
    "analysis-only"
  ],
  "questions": [
    "taxonomy",
    "interpretability",
    "evaluation",
    "limitations"
  ],
  "evidence": [
    "empirical",
    "mechanistic",
    "probing"
  ],
  "modality": [
    "language",
    "symbolic"
  ],
  "summary": "Uses chain deletion, content replacement, probes, and trajectory analysis across 21 model-task configurations. Separates what continuous states encode from whether the model uses their content, finding that dependence on the chain varies with task and training recipe.",
  "provenance": "Primary-source literature search, 2026-10-18",
  "added_at": "2026-10-18",
  "author_names": [
    "Jingjie Qiu",
    "Sheldon Yu",
    "Xunyi Jiang",
    "Jiajin Liu",
    "Zihan Huang",
    "Zhendong Chu",
    "Tong Yu",
    "Julian McAuley",
    "Junda Wu"
  ],
  "record_url": "https://latent-implicit-thinking.github.io/papers/2610.21182/",
  "legacy_record_url": "https://latent-implicit-thinking.github.io/papers/#paper-2610-21182",
  "citation_date": "2026-10-15",
  "json_url": "https://latent-implicit-thinking.github.io/papers/2610.21182/record.json",
  "markdown_url": "https://latent-implicit-thinking.github.io/papers/2610.21182/index.md",
  "bibtex_url": "https://latent-implicit-thinking.github.io/papers/2610.21182/citation.bib",
  "csl_url": "https://latent-implicit-thinking.github.io/papers/2610.21182/citation.csl.json"
}