GPT-6 turned ChatGPT answers into clickable tools. The custom GPT retirement is what people are actually upset about. Here's what shipped, with dates, and how it landed.
ChatGPT Plus, Claude Pro and Google AI Pro all cost about $20. Here's how their limits, context and memory compare, which one to buy, and what to do if you need two.
Activity is not a screen recording. I read OpenAI's docs and took apart the ChatGPT Mac app to show what Computer History captures, what it sends to OpenAI, where its unencrypted markdown memories live, and how to turn it off, exclude apps and delete it.
ChatGPT can't merge accounts or move chats into another account's sidebar. Here's what actually works in 2026: changing your email instead, the export-and-upload route, shared links for the chats you still need, the one-way Business merge, and how to carry your memory over.
Codex remembers less than it looks like it does, and only if you set it up. Here's how AGENTS.md, Memories, and codex resume actually work, why Codex can't read your ChatGPT memory, and how to give it context that follows you across tools.
