Ok so I need to talk about this because I haven't stopped thinking about it since I read the news. Anthropic — the people who make Claude, the AI I use basically every day — just announced a new model called Mythos. And they refused to release it to the public. Not because it's broken. Because it's too good. Let me explain why that sentence should stop you for a second. FIRST — WHAT EVEN IS A SANDBOX? When AI companies test powerful models, they don't just... let them loose. They run them in a