Muse Code
Muse Code is Meta's terminal-based coding agent for complex software engineering across large repositories, launched in public beta on August 5, 2026. It installs with a single one-line command (curl -fsSL https://dev.meta.ai/install.sh | bash) and is powered by Muse Spark 1.2, the latest Meta Superintelligence Labs model co-trained alongside the agent itself for tight tool-use integration. Muse Code is multi-agent by default: workers run in parallel while reviewers run in the background, so every task benefits from coordinated subagents that plan changes, write code, and validate results. Every action is fully auditable — generated code, AI decisions, and execution traces are transparent and reviewable. It supports computer use, agent fan-out into isolated worktrees, GitHub-agent workflows, search grounding, and multi-agent orchestration cookbooks that turn a one-line idea into a working SaaS app. Pricing is pay-as-you-go at $1.25/Mtok input and $4.25/Mtok output (1M context), with a discounted contributor tier. Muse Code is ideal for developers who want a fast, accessible, terminal-native agentic coding tool from a major lab, with lower retry rates and higher-quality output than a generic model wrapper.
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