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The Virtual OS Museum isn't a physical place, it's a collection of over 1,700 distinct installations of over 600 operating systems for over 250 platforms that you can download and run via emulation right on your computer. It's largely the work of one man, Andrew Warkentin, a developer and OS historian who has been slowly […]

Claude and ChatGPT have thinking efforts where you can tune the amount of thinking allowed. Like low, medium, high, xhigh and so on. But are they different models underneath? Or same model with different parameter? The reason I ask is because, if I change the effort param mid conversation in Claude code, I get a warning suggesting I’m breaking the cache. I don’t think this happens in Codex because when I change the effort, the responses are still quick.