4 September 2026

Meta releases Muse Spark 1.3, claims parity with top AI models

First reported

InfoWorld and SiliconANGLE ran this on , a day before the other 2 sources picked it up.

  • Meta released Muse Spark 1.3, its most powerful model yet, claiming performance matching Anthropic's Claude and surpassing OpenAI's latest in coding tasks.
  • The model uses about 25% fewer tokens than its predecessor to complete the same work, potentially lowering costs for developers at unchanged pricing.

Where they differ

Reported by SiliconANGLE, InfoWorld