The cost-per-token for frontier LLM APIs has fallen dramatically over the past two years. GPT-4-class capability is now available at pricing that would have seemed implausibly low in early 2023. This cost reduction is real, and it's important for enterprise AI adoption — but it has also created a misleading narrative about the cost dynamics of running AI in production. Token cost is not the dominant cost driver for most enterprise AI deployments. The dominant cost drivers are latency-driven compute costs, retrieval and preprocessing infrastructure, evaluation pipeline overhead, and — most significantly — the cost of human time required to monitor, review, and remediate AI outputs.

The companies we work with that have AI running at meaningful scale have developed a more nuanced view of their AI cost structure than "we pay X per million tokens." They're measuring cost per completed workflow, cost per validated output, and cost per exception requiring human review. These metrics surface the real economics in a way that token pricing doesn't. A cheaper model that requires twice the human review overhead might be more expensive on a total cost basis than a more capable model that resolves most cases without human escalation.

The cost optimization opportunity

Routing and tiering. Not every request in an enterprise AI pipeline requires a frontier model. The companies managing AI cost well have implemented explicit routing layers that send simple, high-confidence tasks to cheaper models and reserve frontier model capacity for complex, ambiguous cases. The tooling to implement this correctly — including the logic to decide where a request falls on the complexity spectrum — is underbuilt and represents a real infrastructure opportunity.

Context optimization. The biggest driver of token cost in most RAG-based enterprise applications is inefficient context assembly. Retrieving too much context because the retrieval system doesn't have enough precision about what's relevant inflates token usage by 2-3x relative to an optimized system. Context optimization — retrieving exactly what's needed, in the right format, with appropriate summarization of background material — is simultaneously a cost optimization and an accuracy improvement. These don't trade off; they reinforce each other.

The infrastructure investment thesis in the cost management layer is straightforward: as AI workloads scale within enterprise budgets, the tooling that makes those workloads economically efficient becomes critical infrastructure rather than optional optimization. We're seeing the early stages of that transition in the companies pitching us today.