What do developers do to burn billions of tokens in just a few days?

I recently saw some users here mentioning they consume billions of tokens over a very short period, which completely blew my mind. I’m an AI and software engineer mostly working in high-performance computing, reinforcement learning. Right now, I'm getting deep into the Claude ecosystem, specifically utilizing the Claude Code CLI to automate complex development tasks and exploring multi-agent workflows. It truly feels like a new era of programming. However, my token usage is still just a tiny fraction of the