so even with a new tokenizer that can map to more tokens than before, their answer is still just "you're not managing your context well enough"

"Opus 4.7 uses an updated tokenizer that [...] can map to more tokens—roughly 1.0–1.35× depending on the content type.

[...]

Users can control token usage in various ways: by using the effort parameter, adjusting their task budgets, or prompting the model to be more concise."