Meta has introduced Muse Code, a terminal-based AI coding assistant now in beta, paired with Muse Spark 1.2, a coding-optimized update to its AI model family. This launch positions Meta as a strong competitor against Anthropic’s Claude Code and OpenAI’s Codex in the AI coding space. Muse Code features persistent async background agents that stay active throughout coding sessions, minimizing redundant repository scans and allowing simultaneous multi-feature builds without conflicts. It also maintains a detailed local event log ensuring task resumption after interruptions. Underpinning Muse Code is Muse Spark 1.2, co-trained with the coding harness using innovative self-improvement loops, enhancing instruction following and complex coding tasks. Meta offers two pricing tiers: a standard tier with no data usage for training and a contributor tier providing significant discounts in exchange for data sharing. This launch marks a strategic shift from Meta’s open-source Llama series to proprietary models, inviting developers to weigh cost benefits against data privacy. Muse Code can be installed via a simple curl command but requires Meta account login and billing setup.
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