AI Detection

Understanding and navigating AI content detection

33 posts

A typed page on a glowing lightbox, with a hidden watermark of twelve stars in a circle showing through the paper.
AI Detection

The New ChatGPT Watermark: What It Means for Your Writing

ChatGPT text is getting an invisible watermark in the EU. What it means if you write with ChatGPT, who can check for it, and what OpenAI's own tests show.

Ivan Jackson··7 min read
A row of identical lecterns in a grand assembly hall, each holding the same AI written speech page
AI Detection

AI Is Writing UN Speeches Now, and They All Sound the Same

Nine world leaders delivered nearly the same sentence at the UN this year, and flagged AI speeches jumped from 6 to 30 in one session. What happened, and the lesson for anyone whose writing needs to sound like their own.

Ivan Jackson··6 min read
AI robot hand editing a document filled with em dashes on a glowing purple background.
AI Detection

Why AI Writing Is Full of Em Dashes (and How to Fix It)

Why language models overuse em dashes, how the mark became the internet's favorite AI tell, and a three-pass method for fixing a draft.

Ivan Jackson··6 min read
AI slop concept: glossy gray sludge pouring out of a laptop screen onto a clean desk, next to a page of handwritten notes.
AI Detection

What Is AI Slop? The Word Defining Content in 2026

A definitional guide to AI slop: where the term came from, the patterns platforms are penalizing in 2026, and how AI-assisted work stays out of the bucket.

Ivan Jackson··7 min read
A person at a desk reading a LinkedIn feed on a laptop, with a red 'AI slop' flag button and a 1.2K count floating over one of the posts.
AI Detection

LinkedIn's 2026 AI Slop Crackdown: Why Posts Lose Reach

LinkedIn is suppressing generic AI content with a claimed 94% detection accuracy and a member-facing slop report button. Here is what that means for anyone posting for work.

Ivan Jackson··5 min read
A phone showing a Substack newsletter article with a passage highlighted and a context menu open, where the option 'Scan for AI text' with the Pangram logo is highlighted in orange alongside Copy, Share, and Look Up.
AI Detection

Substack Readers Can Now Scan Your Newsletter for AI

Substack's new Pangram-powered scan lets readers check any post, note, or comment for AI. How it works, why writers call it a witch hunt, and what to do before your next post.

·5 min read
Four dark content tiles for a photo, video, audio waveform, and text block with a glowing blue scan line passing through them, and a white popover above reading 'Watermark found, AI-generated content' with a blue checkmark.
AI Detection

SynthID Is Becoming the Default AI Watermark: What to Know

What Google's SynthID watermark is, which companies now use it, how to check content for it, and what its expansion into Search and Chrome means for AI-assisted publishing.

Ivan Jackson··7 min read
ChatGPT watermark concept: a dark ChatGPT interface where certain words in the AI text glow green, showing how a hidden text watermark would work.
AI Detection

Does ChatGPT Watermark Text? What OpenAI Shipped in 2026

ChatGPT ships no text watermark in 2026, but OpenAI has one on the shelf and the EU AI Act just started the compliance clock. What that means for anyone who drafts with AI.

Ivan Jackson··7 min read
Pangram AI Detector Review 2026 blog cover with the orange Pangram logo on a dark background.
AI Detection

Pangram AI Detector Review 2026: The Tool Substack Uses

An honest review of Pangram, the AI detector powering Substack's reader-facing scans: accuracy claims, outside validation, pricing, blind spots, and the pre-publish self-check writers should adopt.

Ivan Jackson··7 min read
Claude's Watermark Punishes the Wrong People
AI Detection

Claude's Watermark Punishes the Wrong People

Anthropic's new text watermark is easy to remove and easy to miss. The writers most likely to get flagged are the ones who did nothing wrong.

Ivan Jackson··4 min read
claude ai detection api
AI Detection

Claude Is Shipping an AI Text Detection API You Can Use Yourself

Anthropic confirmed it is shipping a text detection API that anyone can call to check for Claude's invisible watermark. Here is what that detector can actually establish, the limits Anthropic has published itself, and how WriteHuman is preparing for it.

Ivan Jackson··7 min read
claude ai watermark
AI Detection

Claude Is Now Adding Invisible Watermarks to AI-Generated Text

Anthropic is adding invisible watermarks to text generated by new Claude models. Here’s how the system works, what Anthropic says about its limits, and why users who don’t want to publish raw Claude output may choose to substantially rewrite it with tools like WriteHuman.

Ivan Jackson··6 min read