AI at Meta (@AIatMeta) released Muse Spark 1.3 focused on real-world usability: longer-horizon multi-workflow threads, more active clarifying questions and confirmations before consequential actions, and better calibration of its own limits—about 20% fewer tool calls and 25% fewer tokens vs Muse Spark 1.2 in internal comparisons.

Key Takeaways

  • ✓Muse Spark 1.3 targets longer-horizon agentic and coding work with real-world usability.
  • ✓Internal comparisons vs 1.2: ~20% fewer tool calls and ~25% fewer tokens.
  • ✓More clarifying questions, stuck-state flags, and confirmations before consequential actions.
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