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Last week looked, at first glance, like another four-model week. DeepSeek shipped the general-availability version of V4-Pro. Z.ai introduced GLM-5.3. NVIDIA released Nemotron 3.5 Lightning and, beside it, NeMo Switchyard. Four announcements, four benchmark tables, four opportunities to lose an afternoon comparing decimals. This is the section that keeps you current at the AI frontier. We discuss these new releases in enough technical depth to keep you smart about it but brief enough to get through it in 5-6 mins. Let’s go 1. DeepSeek V4-Pro: Reasoning Becomes a Knob Read more