Not the OP, but I think "slight" here is in relation to Anthropic and Google. Claude Opus 4.5 comes at $25/MT (million tokens), Sonnet 4.5 at $22.5/MT, and Gemini 3 at $18/MT. GPT 5.2 at $14/MT is still the cheapest.
I used the pricing for long context (>200k) in all cases. I personally use AI as coding assistants, like lots of other people, and as such, hitting and exceeding 200k is quite the norm. The numbers you are showing are for <200k context length.