Command Code says Meta Muse Spark 1.3 Contributor is now live in its coding agent across GOAT, Pro, Max, and API. It calls the tier the most capable lowest-cost option yet, with benchmark results in the Opus 5 and GPT-5.6 Sol class.

Key Takeaways

  • Muse Spark 1.3 Contributor is live in Command Code (GOAT / Pro / Max / API).
  • Positioned as best price-performance in-class vs Opus 5 and GPT-5.6 Sol-tier results.
  • Lets coding-agent users cut long-horizon token spend without leaving the harness.
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