{"slug": "can-you-tell-which-ai-generated-text-is-watermarked", "title": "Can you tell which AI-generated text is watermarked?", "summary": "A new interactive quiz challenges users to distinguish between watermarked and non-watermarked AI-generated text, using Qwen2.5-32B-Instruct and SynthID-Text, the watermarking method behind Gemini and Claude. The quiz, created by Krish Matta, provides code, keys, prompts, and raw outputs in a public repository.", "body_md": "# Watermark Quiz\n\nBoth texts below were generated by an LLM with the same prompt. One is watermarked, the other is not. Can you tell them apart?\n\nLoading…\n\n## Method\n\nEach pair was generated by [Qwen2.5-32B-Instruct](https://huggingface.co/Qwen/Qwen2.5-32B-Instruct) with identical sampling settings. Watermarking is done by [SynthID-Text](https://www.nature.com/articles/s41586-024-08025-4), the method behind both Gemini's and [Claude's watermarks](https://www.anthropic.com/news/claude-text-watermark). Code, key, prompts, and all raw outputs are in [the repo](https://github.com/krishmatta/watermark-quiz).", "url": "https://wpnews.pro/news/can-you-tell-which-ai-generated-text-is-watermarked", "canonical_source": "https://watermark-quiz.krishmatta.net/", "published_at": "2026-08-19 16:37:46+00:00", "updated_at": "2026-08-19 16:43:47.847490+00:00", "lang": "en", "topics": ["artificial-intelligence", "generative-ai", "ai-tools"], "entities": ["Qwen2.5-32B-Instruct", "SynthID-Text", "Gemini", "Claude", "Krish Matta"], "alternates": {"html": "https://wpnews.pro/news/can-you-tell-which-ai-generated-text-is-watermarked", "markdown": "https://wpnews.pro/news/can-you-tell-which-ai-generated-text-is-watermarked.md", "text": "https://wpnews.pro/news/can-you-tell-which-ai-generated-text-is-watermarked.txt", "jsonld": "https://wpnews.pro/news/can-you-tell-which-ai-generated-text-is-watermarked.jsonld"}}