Meta Launches Muse Code Beta to Rival Codex, Claude Code
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- Meta released Muse Code in beta, a terminal coding agent designed to handle complete software engineering tasks across large repositories, CEO Mark Zuckerberg said Wednesday.
- Muse Code is powered by Meta's previously released Muse Spark coding model and handles large projects by fanning out work to separate sub-agents running in parallel in isolated worktrees, with Zuckerberg saying testing showed it building six game features simultaneously without collisions.
- Meta Superintelligence Labs chief Alexandr Wang told the Wall Street Journal the product is positioned as "an incredibly good option, especially from a cost perspective," explicitly targeting OpenAI's Codex and Anthropic's Claude Code.
- Meta has been pouring money into AI development beyond its advertising business, expanding into enterprise AI in June with a customer service and support agent.
Why it matters: Meta enters the AI coding agent market with a cost-focused pitch against established rivals OpenAI and Anthropic, but it trails as a perceived latecomer; winning enterprise developer workflows would give Meta a foothold beyond advertising and validate its Superintelligence Labs spending.
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