The #QuitGPT Movement Hit 1.5 Million. The Real Migration Hasn't Started Yet.

Anthropic's Import Memory tool moves your preferences in 60 seconds. OpenAI's Assistants API dies in August. One migration is a hashtag. The other is a rewrite. Monday morning, Claude goes down. Everything. The chatbot, the API, Claude Code, all of it. Two thousand reports on Downdetector in under an hour. My X feed is a wall of people who switched from ChatGPT over the weekend discovering that their brand-new provider is already flat on its back. TL;DR: Anthropic's Import Memory tool moves your ChatGPT preferences to Claude in 60 seconds. But preferences aren't infrastructure. When Anthropic killed my $200/month agent setup overnight, no import tool saved me. I rebuilt MCP servers, prompt contracts, CLI wrappers, and monitoring from scratch. Meanwhile, OpenAI's Assistants API sunsets in August, forcing thousands of devs into a rewrite whether they join #QuitGPT or not. This article maps the 4 layers of AI lock-in, shows what actually migrates vs. what doesn't, and gives you a portabil