Opus 4.7 just changed how we talk to AI and most people are about to pay a massive ambiguity tax > Every vague prompt is now directly priced into your token spend > Anthropic removed the temperature and top_p knobs to enforce absolute precision > Adaptive thinking means the model spends more reasoning tokens if your intent is fuzzy > Task budgets will cut off your agent mid-loop if you don't define success criteria The era of throwing a lazy prompt at an agent and praying is officially over You either describe your logic with absolute rigor or you watch your budget burn for zero results