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Last week sharpened a practical question for AI developers: how much useful work can a model complete before cost, context, or supervision becomes the bottleneck? OpenAI’s September 29 DevDay announcements attacked the economics and infrastructure of sustained execution. Google’s September 30 introduction of Gemini 4 Argon emphasized the ability to reason through longer, more demanding tasks. My reading is that the competitive unit is becoming the completed workflow. A coding model must inspect a repository, make changes, run tests, interpret failures, and deliver something reviewable. Intelligence matters throughout that process. So do the machinery surrounding the model and the budget available to run it. OpenAI DevDay expands the agent stack Sol lowers the cost of complex work Read more