Meta wants to get inside your terminal with its new coding agent
Muse Code showcases Muse Spark's fresh software engineering chops
Meta, the parent company of Facebook, has unveiled a new coding assistant called Muse Code, designed to streamline software development tasks. The tool, powered by Meta's latest language model Muse Spark 1.2, is intended to help developers plan changes, write code, and validate results. Muse Spark, released recently, is a multi-modal model capable of processing various data types, including text, images, video, audio, and PDFs.
The company's CEO, Mark Zuckerberg, noted that Muse Spark is currently a closed-weight model, whereas they previously utilized an open-weight model with Llama models. The agent, an "agent orchestrator," operates within a developer's command line, orchestrating multiple background agents to work on tasks independently, with no risk of data loss.
During testing, Muse Code successfully built six game features simultaneously without any conflicts. The model underwent improvements in its coding capabilities following the first release in April, with the latest version addressing earlier deficiencies. In performance comparisons, Muse Spark scored favorably against other commercial models like OpenAI Codex, Anthropic's Claude Code, and Google's Gemini 3.6, but it did not outperform them in all categories.
Muse Code can be installed using a curl command and is priced at US$1.25 per million input tokens and US$4.25 per million output tokens.
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