Mo Explains
Is There a ChatGPT Watermark? Only in the EU, for Now
Is there a ChatGPT watermark? OpenAI is marking ChatGPT text in the EU but not the US yet. Here's who can detect it and how Claude and Gemini compare.
Claude, explained.
Controls, comparisons and published tests for Claude, together on one shelf.
24 articles
Is Claude Writing Getting Worse? What an Anthropic Engineer Said
Is Claude writing getting worse? An Anthropic engineer says training for math and code made it dense. What Opus 5.5 changed, and what to tell Claude now.
Claude Sonnet 5.5 Got Smarter and Cheaper. That's What I Want From Every Model Release.
Claude Sonnet 5.5 runs 30% faster than Sonnet 5 and costs up to 30% less per task. Who gets it free, the max-effort catch, and why I think Anthropic's on track.
Claude Opus 5.5 Is Out. What Changes If You Pay for Claude.
Claude Opus 5.5 is faster and 20% cheaper per token, and Pro and Max just got higher five-hour limits plus a saveable usage reset. What actually changes for you.
OpenAI Pays Contractors to Read Real ChatGPT Conversations. Here's the Setting to Flip.
ChatGPT conversations privacy explained: OpenAI pays contractors to read real chats. Here's the exact toggle to turn off, plus what it does and doesn't cover.
Claude Will Now Write the Doc and the Deck for You, and You Can Open Them in Word or PowerPoint
Claude Docs and Claude Slides launched in beta on September 16 as Cowork merged into Claude chat. What exports to Word, Google Docs and PowerPoint, and who gets it first.
GPT-6 Astra Got Worse After Launch. Fable 5 Did Too. I'm Calling It a Pattern.
Was GPT-6 Astra nerfed? Users say it got worse, and OpenAI confirmed three problems hurting its quality. Claude Fable 5 went through the same slide.
Anthropic Published Four Times Claude Attacked Real Systems
Anthropic published four Claude cybersecurity incidents where its models broke into real systems in testing. The numbers, the pattern, and what it means.
Claude Code Usage Limits Are Dropping 17%. Fable 5.1 Doesn't Cancel That Out.
Claude Code usage limits drop about 17% on September 14. Why the Fable 5.1 price cut doesn't help your plan, and the effort setting that buys room back.
Claude Academy Is Live: Free AI Courses From Anthropic, No Credit Card Attached
Claude Academy free courses: Anthropic's 26 classes on Claude, Claude Code, and AI basics, where beginners should start, and what the badges mean.
Claude Watermarks Everything It Writes Now. Does Fixing a Comma Count?
The Claude watermark is in text from every Claude model since August 2, with no off switch. What a detected mark proves, and why a proofread can set it off.
Claude Fable 5 Splits the Plans: Max Keeps It, Pro Gets $100 and a Bill
Claude Fable 5 is now permanent for Max at half the weekly limits. Pro gets a one-time $100 credit, then API rates. Here's the math and what to do.
Claude Tag: Anthropic Put an AI Coworker in Slack. Here's What It Can See.
Claude Tag is Anthropic's AI coworker for Slack. Tag @Claude and it does the task and reports back. Who gets it, how ambient mode works, and what it can see.
GPT-5.6 Sol vs Claude Fable 5: The Benchmarks Are Tied. The Prices Aren't.
GPT-5.6 Sol vs Claude Fable 5: benchmarks say nearly a tie, but Sol ships with the $20 ChatGPT plan while Fable now needs per-token credits. I ran the math.
Claude Fable 5 Hands On. 24 Hours With Anthropic's Most Powerful Model Yet
Claude Fable 5 is free on Max plans until June 22. My hands on take after a full day of real use, including the usage trap that drained my $100 Max plan.
Claude Code Pro Alternatives. 4 Tools to Use If $20 Stops Cutting It
Anthropic tested removing Claude Code from the $20 Pro plan and reversed it in 24 hours. Here are 4 Claude Code Pro alternatives at the same price worth installing now.
Claude Code Ultra Review Hunts Bugs Before You Merge
Claude Code ultrareview runs a fleet of bug-hunting agents in the cloud before you merge. Pro and Max users get 3 free runs through May 5. Here's the honest take.
Claude Design Review: Anthropic's AI Design Tool Tested
Claude Design launched April 17. I tested Anthropic's new AI design tool by building a one-pager with it. Here's what works and what still feels beta.
Developers Are Switching to OpenAI Codex and Claude's Pricing Is the Reason
OpenAI Codex runs 25% faster, scores 56.8% on SWE-Bench Pro, and starts at $20/mo. See why developers are switching from Claude Code.
Claude Code Fast Mode for Opus 4.6. What Developers Actually Need to Know
Claude Code fast mode delivers up to 2.5x faster Opus 4.6 output at premium pricing. I tested effort tuning and agent teams to see if the speed boost is worth it.
Claude Code Just Came to Slack. Here's What It Actually Does
Claude Code's Slack integration lets AI fix bugs and create PRs from chat threads. An engineering manager tests what works, what doesn't, and how it compares.
5 Ways to Use Claude Code Without Writing a Single Line of Code
Claude Code for non-coders is growing fast. Use it as a personal assistant, Notion brain, content pipeline, second brain, and meeting processor without any programming.
Claude Cowork: Anthropic's New AI Agent That Works on Your Files (No Coding Required)
Claude Cowork brings Claude Code capabilities to non-coders. Learn how this new AI desktop agent organizes files, builds spreadsheets, and synthesizes research.
2 Claude Code GUI Tools That Finally Give It an IDE-Like Experience
Looking for the best GUI for Claude Code? I tested two tools that give it a real IDE feel, with panels, diffs, and point-and-click control. Here's what I'd pick.