Paste any article and receive an AI-vs-human authorship likelihood score with per-paragraph breakdown. Flags sentences with typical LLM tells. Useful for educators checking assignments, editors vetting submissions, and journalists screening sources. Works on Chinese and English text. Prompt example 1: Is this book report AI-generated? In today's fast-paced era, reading is not just a habit but a strength. In conclusion, this book taught me the value of persistence. Prompt example 2: Check this submission for signs of AI writing: As an AI language model, I believe community building needs residents to take part. Here are three key aspects. Prompt example 3: Mark the most suspicious parts of this blog post: The trip was unforgettable. First, the views were stunning; second, the food was great; finally, the staff were kind. Prompt example 4: Does this cover letter sound AI-written? I am a passionate individual with excellent communication skills, always committed to growing in a fast-changing environment. Prompt example 5: Does this product review read like a real person wrote it? These earbuds offer outstanding sound, long battery life and all-day comfort. A must-have for anyone who values quality. Prompt example 6: Is this student essay AI-generated? In today's digital age, technology plays a pivotal role in shaping our lives. Moreover, it fosters innovation and enhances communication. Prompt example 7: Check this community event press release for AI writing: The event drew enthusiastic crowds, the atmosphere was vibrant, and it showcased the community's spirit. Prompt example 8: Which reflection is more likely AI-written, and why? A: I forgot my lines halfway and peeked at my notes. B: This experience taught me that preparation is the key to success. Prompt example 9: Rate how likely this paper abstract is AI-written and explain sentence by sentence: This study explores how digital learning affects student outcomes. Results show it effectively boosts motivation. Prompt example 10: Is this short poem AI-generated? Moonlight spills across the quiet lake, a soft breeze stirs a longing heart, time drifts on, and dreams shine far away. Maximum context window (input and output combined): about 1,048,576 tokens. Maximum output per reply: about 65,536 tokens (model reasoning, if any, counts toward this limit). Maximum total upload size per request: 512MB (all files and message content combined). Accepted document formats: pdf, docx, xlsx, pptx, txt, csv (file content is provided to the model as extracted text). Accepted image formats: heic, heif, jpeg, jpg, png, webp. Maximum number of images: 3600. Maximum size per image: 64MB. Maximum total image size per message: 64MB (text and history share the same request size limit; uploads close to the limit may still be rejected). Image dimensions: at least 200 pixels per side. Maximum image resolution: 36,000,000 pixels in total. Output content formats: Text Pricing: Medium Continuous conversation: Not supported AI can make mistakes. Please verify important information.