The age of token efficiency, the age of libraries Not so long ago, six months, perhaps, I was seriously convinced that AI would not replace us, the programmers. It would just help us; it would be our assistant. Back then I was mostly firing off one-off prompts in ChatGPT to help me with the odd algorithm, but to my delight, I still hand-crafted nearly all of my code. Six months later, Iâm not sure I can do my daily job without Claude. And Iâm not alone: 84% of developers now use or plan to use AI tools, and as far back as February 2023 GitHub was already measuring 46% of the code in Copilot-en