Official docs offer prompt fix for Claude's whole-file rewrites

A developer highlighted that Claude Fable 5.1 tends to rewrite entire files for minor edits, wasting tokens. Anthropic's official prompting guide now offers a one-line prompt fix for this behavior.

2026-09-14 ~ 2026-09-14 · 2 related posts

• One-sentence prompt fixes for Claude Fable 5.1's file-rewriting and token-burn habits — alex_verem · 2026-09-14
• One prompt line stops Claude from rewriting whole files for tiny edits — alex_verem · 2026-09-14