Meta’s strongest Muse Spark 1.3 benchmark results come from its max reasoning configuration. Meta says that version is still completing additional safety testing and will arrive later.

Meta Superintelligence Labs releases Muse Spark 1.3 with 20% fewer tool calls and 25% lower token usage, accelerating its AI coding agent

Meta released Muse Spark 1.3, its most powerful AI model, with a paid developer API as it closes the gap on OpenAI and Anthropic in the frontier