The money and the market around the work: layoffs read as capital allocation, what inference actually costs once the agent loops, what a part-time technical lead is worth against the alternatives, and the occasional piece of frontier engineering worth doing the arithmetic on.
What a 4,800-role cut and $39,367m of property and equipment spending do and do not tell a company buying engineering, with the arithmetic shown.
The four runtime boundaries a Python data stack crosses, what each publishes as a default, and where the interpreter lock actually costs you.
List prices fell 73.3% from Claude Opus 4.1 to Opus 5.5, and the same answer costs 2.687x more as a ten-turn loop. The caching crossover is 59.6%.
Hover thrust equals weight, so 1,611 kg of car and bottles throws 28.3 kg of nitrogen a second. Fifty bottles buy 5.03 seconds, and no bottle buys 25.6.
Four ways to buy technical leadership, costed over the same six months, and the $60,000 of decision exposure below which none of the paid ones pays for itself.
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