Plain Strata: Train Your Own
The Tuesday Pulse. On July 8, the US government cleared GPT-5.6 for broad public sale after two weeks behind a case-by-case approval gate, twenty companies, each individually cleared. The same day, a training company called Prime Intellect raised 130 million dollars, at a reported billion dollar valuation, on the opposite bet: that companies should stop renting frontier AI and start training their own. Prime Intellect spent two years proving frontier-scale pretraining only works inside one wired-together room, a matter of physics, not preference. Their new money goes around that wall instead…
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