Solving Hack The Box Challenges with GPT-5.6 Luna Pro

What the heck is GPT-5.6 Luna Pro, I hear you asking. That’s a very good question! To answer it, let me quote its description on OpenRouter.ai: “GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks.” Okay, so how much better, and how much more expensive, is it compared with GPT-5.6 Luna, I hear you asking…