As AI writing tools proliferate, it will be critical for content marketers and SEO professionals to vet their content to ensure it’s authentic, trustworthy, and plagiarism-free. Unlike AI detection, which is still relatively new and evolving, plagiarism detection has been around for a while. This free tool supports plagiarism checking in 34 different languages, and AI-generated content detection is available in English only. Originality.ai also bills itself as “the most accurate Chat GPT, Bard, Paraphrasing, and GPT-4 AI checker,” claiming 99% AI content detection accuracy. Check AI Content with ConfidenceAs more and more companies add AI writing tools to their marketing toolkits, proofreading and checking for plagiarism and AI language in content created with these tools is becoming the norm.