Meta has launched Muse Code, a new terminal-based coding agent for macOS and Linux, with pricing that drops sharply when users allow the company to train future AI models on their prompts and completions.
The new tool runs on Meta’s Muse Spark 1.2 model and can plan code changes, write code, test results, and work across large software repositories. Meta has released Muse Code in beta, and Mac users can install it through Terminal with a single command.
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Meta Muse Code pricing depends on data access
Meta charges Standard users $1.25 per million input tokens and $4.25 per million output tokens. This tier prevents Meta from using prompts and completions to train its models, which makes it the safer option for developers working with private or sensitive code.
The Contributor tier cuts the price to $0.10 per million input tokens and $0.20 per million output tokens. In exchange, users allow Meta to use their data for model training, which lowers input costs by more than 12 times and output costs by more than 20 times.
The cheaper tier also has lower usage limits, with 60 requests per minute and 2.1 million tokens per minute. Standard users receive up to 3,000 requests per minute and 4 million tokens per minute.
Muse Code also includes built-in commands for planning, reviewing, and completing development tasks. Its local event log records model calls, tool activity, approvals, and edits, which allows the agent to resume work after a crash.
Meta Muse Code directly competes with OpenAI Codex and Anthropic Claude Code, although Meta currently offers no dedicated desktop app. Developers must use the tool through Terminal on macOS or Linux.
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