Seventeen Hours, Three Sizes, and the Prompt Boundary
METR publishes a fresh time-horizon number for Claude Mythos Preview, and yesterday's follow-up gets paid off in a single chart. NVIDIA ships a checkpoint that contains three reasoning models at once. antirez gets DeepSeek 4 running on a DGX Spark and tells you exactly where the bandwidth wall lives. François Chollet argues that agentic coding is a form of machine learning, and a few replies actually push the idea further. Plus the diffusion gap, the German tokenizer tax, and a Gemma 4 drafter that buys you a third of your decode time back.
METR's 17-hour 50% time horizon
NVIDIA Star Elastic…
The skinny
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