Meta has launched Muse Code, its first dedicated AI coding agent and its clearest attempt yet to challenge Anthropic’s Claude Code and OpenAI’s Codex. Meta trained the model and agent togetherMuse Code runs on Muse Spark 1.2, a coding-focused upgrade to the model Meta opened to developers in July. Meta’s benchmark claims need contextMeta has tested Muse Spark 1.2 and Muse Code against coding systems from Anthropic, OpenAI, Google, xAI and other developers. FAQsWhat is Meta Muse Code? Muse Code uses Meta’s Muse Spark 1.2 model.