How to Write Prompts for Claude Sonnet 4.6 (Updated Techniques)
Claude Sonnet 4.6 follows instructions more precisely than previous models, which means your old prompts may need updating. Techniques that worked for Sonnet 4.5 — heavy repetition, aggressive guardrails, all-caps emphasis — can now cause problems like overtriggering and rigid outputs. The best prompts for Sonnet 4.6 are shorter, cleaner, and more direct. This isn’t…