Field ReportThe Price of Done
Model Signals field report by Isaiah "Zay" Steinfeld (Neue Alchemy) on Claude Opus 5.5 and GPT-6 Sol/Luna: cost per successful agent task fell about 22x in five months, but most agent failures are still reported as…
By Isaiah Steinfeld, AI, Venture Innovation & Technology Strategy
Field Report by Isaiah "Zay" Steinfeld (Neue Alchemy) on harness engineering: the same model weights perform very differently across agent harnesses, frontier teams now train across harnesses, and the eval is becoming…
Field ReportModel Signals field report by Isaiah "Zay" Steinfeld (Neue Alchemy) on Claude Opus 5.5 and GPT-6 Sol/Luna: cost per successful agent task fell about 22x in five months, but most agent failures are still reported as…
Field ReportSpaceX didn’t pay $60 billion for a code editor. It bought the system around the work — compute, models, evaluation machinery, work surface, distribution — and the filings show it was structured that way from the…
Field ReportGoogle DeepMind didn’t ship a robot. It shipped the layer above every robot — and the arbiter between the thinking and the moving. One checkpoint now drives three bodies; the gap in what it can’t do is the whole report.
Field ReportGPT-5.6 and the shift to operating layers.