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Every time a new model drops, Reddit fills with hot takes. Version X is better. Version Y is ruined. The entire framing is wrong — and it leads engineers to make bad decisions.
The 'Planner-Executor' pattern, where a human provides a step-by-step plan for an AI to execute, is a symptom of a tooling gap, not a sustainable agentic strategy. While some frontier models are demonstrating long-term autonomous capability, practitioner tools still force engineers to act as an external executive function. The real metric for progress isn't task completion, but the Mean Time Between Required Human Interventions (MTBI).