This December 2025 price index snapshot might give some context, but it's not the primary trigger for why programming model leadership shifted all year.
Users switch models like Claude Sonnet 3.5 to 4.5 because the new version works better for their specific tasks now, providing immediate operational gains.
It's like saying today's traffic in Amsterdam is caused by a road construction report next week; the actual problem-solving capability is what drives adoption, not a lagging data point.
We need to focus on what actually moves the ticker in real-time.