DeepSeek V4 Lands on an Unsteady Floor
DeepSeek V4 ships hours after GPT-5.5, and the technical report tells a more interesting story than the benchmark bars. Susan Zhang reads the paper out loud: anticipatory routing, logit clamps, and a training run that kept catching fire at 33 trillion tokens. I walk through what the fragility actually means for anyone planning to finetune on top of it.
On the OpenAI side, GPT-5.5 lands with a quiet thud on Victor Taelin's LamBench. Codex picks up a proper reviewer agent. A plugin called endless-toil makes your editor groan at bad code. Sapiens2 admits it trained on half of Flickr's humans…
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