Meta's new coding model tells you when it is stuck.
Meta released Muse Spark 1.3 on 2 September through Muse Code and its own model API. It asks clarifying questions and flags dead ends instead of inventing a finished answer. Meta says it uses 20 percent fewer tool calls and 25 percent fewer tokens than version 1.2.
Why it mattersA coding agent that admits defeat wastes less of your time than one that bluffs. Mark Zuckerberg says open weights will follow, which would put this behaviour in free tools.
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