Abstract illustration: AI content detection
Authorship signals

AI content detectors: what they can (and cannot) tell you

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An AI content detector is best treated like a “risk signal,” not a verdict. It can help you prioritize review, but it cannot establish authorship with certainty.

In practice, these tools are measuring “how typical does this look compared to patterns in a training set.” That is a very different question from “who wrote this,” and it’s why false positives and false negatives are normal, especially for short or highly formulaic text.

Good use cases

  • Triage: decide what to review first when volume is high.
  • Spotting uniformity: overly consistent cadence and repeated phrasing patterns.
  • Process improvement: detect when teams over-rely on generation without review.

When the signal is least reliable

  • Very short text (a few sentences).
  • Highly templated writing (support macros, policy boilerplate, FAQs).
  • Non-native English or heavily edited text (style shifts confuse detectors).
  • Technical writing with repetitive structure (API docs, changelogs).

Bad use cases

  • Discipline decisions based on a single score.
  • Treating the score as “proof” of AI authorship.
  • Comparing across very different content types (poems vs manuals vs emails) using one threshold.
Conservative review workflow
  • Use the score only to prioritize review, not to label authorship.
  • Look for supporting signals: inconsistent citations, generic claims, missing specifics.
  • If stakes are high, request drafts/sources/history rather than relying on detection.
A safer framing for teams

Use language like “needs review” or “low-specificity content” instead of “AI-written.” It keeps the process fair and focuses reviewers on quality signals you can actually validate.

Next steps

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