Muse Code (beta) is a terminal-based coding agent newly released by Meta, built on Muse Spark 1.2, the latest iteration of Metaâs advanced coding and reasoning model. Designed for complex software engineering tasks across large repositories, Muse Code helps businesses plan, write, and validate code autonomously. It supports long-running workflows, makes debugging more efficient, and helps reduce manual oversight by coordinating multiple subagents and carrying out persistent operations throughout coding sessions.
Muse Code and Muse Spark 1.2 are built for professional developers, engineering teams, and decision-makers in organizations dealing with sizable and complex codebases. Businesses engaged in continuous development, legacy refactoring, performance optimization, or projects that require substantial debugging and automation will benefit most. Tech leads weighing tools that reduce manual oversight, improve reproducibility, or enhance collaboration across parts of a large system may find the Muse toolkit especially relevant.
Muse Spark 1.1 is available via the Meta Model API under a paid pricing model. It charges roughly $1.25 per million input tokens and $4.25 per million output tokens, with new accounts receiving $20 in free credits to start. While specific pricing for Muse Code itself has not been clearly separated, Muse Code uses Muse Spark 1.2 under the same API framework, indicating similar cost structures when used in production within the Meta AI ecosystem.
Muse Code powered by Muse Spark 1.2 represents a well-architected offering for businesses pursuing next-level software development automation. Its designâpersistent subagents, extensive logging, long-horizon task focusâaligns well with enterprise needs for reliability and scalability. The pricing model, tied to API usage, suggests it may be more cost-effective for companies with high-volume needs rather than occasional small tasks. As with any emerging tool, organizations will want to test on real-world workloadsâespecially large, legacy codebasesâto assess how it performs in practice. For firms seeking to streamline complex development workflows and improve autonomy in coding operations, Muse Code is a technology worth considering.
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