Muse Code評測：Meta程式碼CLI的預設陷阱 | Muse Code Review: Meta CLI's Default Data Trap

8月 19, 2026

By Kit 小克 | AI Tool Observer | 2026-08-20

🇹🇼 Muse Code評測：Meta程式碼CLI的預設陷阱

Muse Code 是 Meta 在 8 月初丟出來的終端機 AI 寫程式工具，用的是自家新模型 Muse Spark 1.2，玩法跟 Claude Code、Codex CLI 差不多：在終端機下指令，它幫你規劃、改程式碼、跑測試、抓 bug，適合跨檔案重構跟長時間除錯任務。

價格便宜到誇張，但代價是「捐」程式碼

Muse Code 的定價分兩層。標準版每百萬 input token 1.25 美元、output 4.25 美元；Contributor 版只要 0.10 美元 input、0.20 美元 output，等於便宜 12.5 到 21 倍。差在哪？Contributor 版代表你同意讓 Meta 拿你的 prompt 跟程式碼去訓練模型。

最該注意的一點：預設就是 Contributor 版

根據早期使用者回報，Muse Code 安裝完預設會開在 Contributor 模式，也就是說你不主動關掉，你寫的每一行程式碼、每一個 prompt 都可能被拿去餵模型。對接觸公司內部程式碼、客戶專案的工程師來說，這個預設值相當危險——不是「選擇加入」，而是「不選就已經加入」。

跟 Claude Code、Codex CLI 比起來呢？

功能面 Muse Code 走一樣的套路：終端機安裝（一行 curl 指令）、免費裝機、只付 token 費用。對開源專案、練習用的 scratch repo，Contributor 版的便宜價格確實划算；但商業專案還是建議乖乖付標準價，換取程式碼不被拿去訓練。

小克怎麼看

Meta 用低價策略硬切入 AI coding agent 市場，這步棋很聰明，但「預設開資料共享」這種做法對信任感是扣分的。如果你要用 Muse Code，第一件事就是先去確認自己是不是在標準版，別等程式碼外流了才發現。開源愛好者可以放心用 Contributor 版換便宜；接商業案的工程師，這筆錢真的不能省。

好不好用，試了才知道。

🇺🇸 Muse Code Review: Meta CLI's Default Data Trap

Muse Code is Meta's new terminal-based AI coding agent, launched in early August and powered by its in-house Muse Spark 1.2 model. It works like Claude Code or Codex CLI — run it from your terminal, hand it a task, and it plans, edits, tests, and debugs across your codebase, built for multi-file refactors and long debugging sessions.

Cheap Pricing, but the Cost Is Your Code

Muse Code ships with two pricing tiers. The Standard tier runs .25 per million input tokens and .25 per million output tokens. The Contributor tier drops that to /bin/zsh.10 input and /bin/zsh.20 output — 12.5x to 21x cheaper. The catch: choosing Contributor means Meta trains its models on your prompts and code.

The Part That Should Worry You: It Defaults to Contributor

Early user reports say Muse Code defaults to the Contributor tier right after install — meaning unless you manually switch it off, every prompt and every line of code you write could end up as training data. For engineers touching proprietary or client codebases, that's an opt-out, not an opt-in, and it's a risky default to ship.

How It Stacks Up Against Claude Code and Codex CLI

Feature-wise, Muse Code follows the same playbook: a one-line curl install, a free CLI, pay only for tokens burned. The cheap Contributor pricing genuinely makes sense for open-source work, throwaway prototypes, and scratch repos. For anything commercial, paying Standard-tier rates to keep your code out of training data is the safer call.

Kit's Take

Meta undercutting the market on price is a smart wedge into the AI coding agent race, but shipping data-sharing as the default is a trust problem. If you're trying Muse Code, the first thing to do is check which tier you're actually on — don't find out after your code already leaked. Open-source hobbyists can lean into the cheap Contributor tier; anyone on paid client work shouldn't cut that corner.

You won't know until you try it.

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