Claude Opus 5.5 Prompting Changes: What “Effort” Really Means For AI Search, Cost, And Content Operations
Anthropic’s new prompting guidance for Claude Opus 5.5 is a warning shot for every team shipping AI into marketing, support, and SEO: model upgrades quietly change defaults, cost/latency tradeoffs, and even the value of classic prompt lines like “think carefully.” Here’s what changed, why it matters for AI Search/AEO/GEO, and how to operationalize the shift with monitored, approved execution.