LuTiao Programming

Apr 4, 2026 · Artificial Intelligence

Avoid Blind Upgrades: Claude Code 2.1.81 May Multiply Token Usage

Upgrading to Claude Code 2.1.81 can cause token consumption to skyrocket, context memory to reset, and overall task cost to multiply because a hidden cache‑failure bug disables context reuse, but the issue can be mitigated by downgrading and adjusting configuration settings.