"Shopify CEO Tobi Lütke noted that Claude Opus 4.5 'feels very different for coding than anything that came before'. Software engineer Boris Cherny provided a stark data point for this shift, stating: 'The last month was my first month as an engineer that
I accept the 20% productivity gain reported in many studies, but I think the entire product design process is bottlenecked by human intelligence to proof-check the final form.
Dec 27, 2025 17:11I didn’t open an IDE at all. Opus 4.5 wrote around 200 PRs, every single line'. Andrej Karpathy, too, echoes this sentiment, observing that the very nature of programming is being "dramatically refactored," with human input becoming increasingly sparse and peripheral."
