Optimization
Claude’s Leaked System Prompt: 12 Key Takeaways for GEO Professionals
Claude’s internal system prompt has leaked and it offers a rare peek into how LLMs decide what content to quote, what links to include, and what sources to ignore. If you’re working on Generative Engine Optimization (GEO), here are 12 real insights from the leak that show what Claude actually looks for when generating answers.
June 3, 2025