"I first learned programming just to cheat on exams" — CC's father reveals his experience, uncovering the truth behind Claude Code deleting over 80% of system prompts - 36Kr

Boris Cherny, Claude Code’s creator, said “coding is solved” does not apply to every engineering task.

Anthropic reportedly removed over 80% of Claude Code’s system prompts for Claude Opus 5.

He said Opus 5 is much better at long autonomous runs and resisting prompt injection attacks.

The team keeps running ablation studies to trim prompts and harnesses, pushing AI coding tools toward less scaffolding and more execution.