Alexandr Wang flags Muse Spark 1.3 eval: time horizon now matches GPT-5.6 Sol and Opus 5
alexandr_wang · x · 2026-09-07
Scale AI founder Alexandr Wang boosted aquilesfd's eval of Muse Spark 1.3 max, calling it an interesting one.
Key claims from the quoted post: Muse Spark 1.3 max is a respectable upgrade over xhigh, improving performance across many categories at slightly higher cost and latency per task. Its time horizon improved massively, now on par with GPT-5.6 Sol and Opus 5.
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