Opus 5.5

The AI landscape is rapidly evolving, with new models like Claude’s Opus 5.5 emerging frequently, and prompting strategies have significantly changed. This guide provides a concise breakdown of effective prompting techniques for Opus 5.5, highlighting key differences from previous versions. It also covers what prompt elements remain effective and suggests using ‘Medium’ effort levels for most tasks, reserving ‘Extra’ for highly ambitious prompts.

• Claude’s Opus 5.5 is now the top-ranked AI model, with new versions releasing frequently.
• Prompting Claude Opus 5.5 requires different techniques than older versions; ‘think harder’ commands should be removed.
• Instead of vague instructions, specify exact design patterns to avoid and name the desired elements.
• Empower Claude to explore connected applications and files before acting, and clearly define the ‘finish line’ for long tasks.
• Use tags to differentiate pasted text from your own instructions, and leverage visual inputs like screenshots and charts.
• Claude can now effectively check work, catching errors in dates, data, and formulas.
• Basic prompting principles like specifying scope, length, and using action verbs remain crucial.
• The ‘Medium’ effort level is recommended for most tasks, with ‘Extra’ for highly complex ones.
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