Meta launches Muse Code, a coding agent for large codebases
Meta released Muse Code in beta, an agent CEO Mark Zuckerberg says can handle "complete software engineering tasks across large repos" by fanning out into parallel sub-agents working in isolated worktrees on big jobs. It runs on Meta's Muse Spark 1.2 model, with a discounted "contributor" pricing tier in exchange for Meta training on user prompts and completions.
why it mattersMeta's first real entrant in the coding-agent market, directly challenging Claude Code and Codex.