HumanGPT is a free AI humanizer that rewrites ChatGPT, Claude, Gemini, and Perplexity drafts into text that reads as fully human. It bypasses GPTZero, Turnitin, Originality.ai, Copyleaks, ZeroGPT, Crossplag, Sapling, and Winston AI with a 99.6% success rate, retested every week against a fresh 500-sample test set. Free tier: 200 words a day, no signup, no credit card. Pro ($10/month): 50,000 words a month, 8,000-word inputs, Brand Voice training, side-by-side compare, two-model second-opinion pass, searchable run history, REST API. Founders Edition ($199 one-time, capped at 100 seats ever): unlimited words for life, 12,000-word inputs, premium model tier.
99.6% bench · tested weekly
