Telltale Blog

Notes on AI writing,
and how to spot it

Articles on the patterns LLMs leave behind, the limits of AI detection, and how to think clearly about AI content. Written by humans. (Mostly.)

24 May 2026·14 min read

AI detectors compared: what each one is actually good at

A grounded comparison of the major AI detection tools — GPTZero, Originality.ai, Copyleaks, Turnitin, and ZeroGPT. What they each do well, where they fail, with cited data and honest tradeoffs.

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23 May 2026·9 min read

How to tell if an image is AI-generated

A practical guide to checking whether an image was made by AI. How Content Credentials work, why pixel-based detectors get it wrong, and the fastest way to verify any image yourself.

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21 May 2026·8 min read

How Wikipedia's editors became the best AI detectors on the internet

No funding, no model, just volunteers who read a lot and noticed the same things over and over. The story of WikiProject AI Cleanup and the guide that powers modern AI detection.

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19 May 2026·10 min read

Are AI detectors actually reliable?

Most AI detection tools give you a percentage and walk away. Here's what's actually happening behind those numbers, and why a single score is the wrong way to think about AI writing.

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18 May 2026·12 min read

How to spot AI-generated writing: a complete guide

AI writing has a tell. Actually, it has about sixteen of them. Here's what to look for, why each one happens, and how to tell the difference between an AI draft and a human writer who just likes em dashes.

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