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Canadian publisher says Thelyson Orelien used AI to write award-winning book, ends relationship

By Thomson Reuters Oct 21, 2026 | 12:43 PM

PARIS, Oct 21 (Reuters) – Canadian publishing house Les Editions du Boreal said on Wednesday it had ended its professional ​relationship with Haitian-Canadian author Thelyson Orelien ‌after it found that he had used artificial intelligence to write his award-winning book.

• Orelien’s debut novel, “C’etait ca ou mourir” (“It was either that or die”), won ‌a ​host of literary awards and ⁠was due to ⁠be translated into multiple languages before a little-known X account said last month that it was written almost entirely with AI

• ​Orelien previously denied using AI but acknowledged instances of past plagiarism. It was ⁠not immediately possible to ⁠reach Orelien for comment

• Boreal said ​its investigation involved a detailed external analysis, which ​found traces of AI markers in ‌the metadata of certain documents

• “We still cannot know in what capacity AI was used in the creation of ‘It was either that or ⁠die,’ and undoubtedly we will never have a definitive answer,” Boreal said in a statement

• “After the ⁠allegations, we ‌continue to trust Thelyson Orelien, ⁠who assured us he had never ​used ‌such tools. This assertion has ​now been ⁠proven false,” Boreal added

• Boreal said it would not reprint the novel or publish future works by Orelien

(Reporting by Makini Brice in Paris and Maria Cheng in Ottawa; Editing by ​Toby Chopra)