The numbers behind AI writing

Sourced data pages on AI writing: every figure carries its source and its date.

• The measurable markers of AI-generated text
  A referenced catalogue of 16 measurable markers of AI-generated text, from focal words to formatting tics, with the evidence behind each and its limits.
• The words ChatGPT overuses, with the evidence
  The AI words list with receipts: corpus studies, magnitudes, and per-generation dating, because tells decay as models change. Last checked August 2026.
• AI detector accuracy: every published number
  Every published AI detector accuracy and false positive figure in one sourced table: the corpus, the number, and who funded each test. No vendor spin.