Meta has introduced Muse Code, a command-line agentic coding harness, powered by the new Muse Spark 1.2 model. The release includes a "contributor tier" that drastically reduces costs for developers who allow Meta to use their interaction data for training.

  • Muse Code runs in the terminal, using persistent subagents to plan, write code, and check results without restarting on crashes.
  • Muse Spark 1.2 supports text, images, video, and PDF inputs up to 1,048,576 tokens, with adjustable reasoning levels.
  • The model achieved 57 points on Artificial Analysis’ Intelligence Index and ranked first on Vals AI’s Finance Agent v2.
  • Standard pricing is $1.25/$0.15/$4.25 per million input/cached/output tokens, while the contributor tier costs $0.10/$0.002/$0.20 for data used in training.

The discounted contributor tier allows Meta to acquire high-quality coding data from developers, addressing a scarcity of such information needed to train future coding agents.