Meta debuts Muse Spark Open; Nvidia ships Nemotron 3.5 Super VL
According to The Rundown AI, Meta released Muse Spark Open, rated 39 on Artificial Analysis’ Intelligence Index, while Nvidia launched Nemotron 3.5 Super VL, claimed 7x smaller and 5x faster than peers its size.
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On October 15, 2026, Meta released Muse Spark Open, which the company calls the most capable US open-weight model to date according to The Rundown AI.
The model scores 39 on Artificial Analysis Intelligence Index, leading other US open models but trailing China GLM 5.3 at 45 and Kimi K3 at 44. Hours earlier Nvidia released Nemotron 3.5 Super VL, described as 7 times smaller and 5 times faster than rivals of similar size.
The Rundown AI
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