Google does not have a "duplicate content penalty," but it does have a . If you scrape or copy content, Google will choose the original source to rank. Paraphrasing allows you to rewrite source material (e.g., briefs, product descriptions, or competitor analysis) into unique text that search engines value.
A: Partially. Because Ahrefs rewrites structure, it often passes as "human." However, if you paraphrase ChatGPT output, it may still be flagged. Use it to rewrite your own drafts, not pure AI text.