Frontier AI Model

A frontier AI model refers to an AI model that sits at the very cutting edge of performance right now, one that nothing else has yet managed to surpass. Just as track and field calls a world-record holder a "top-tier athlete," the AI industry uses this term for models among the largest and smartest currently available.

This term matters because it marks the place where new capabilities first show up. Frontier models can handle problems no one has ever tackled before, but they're also where unexpected side effects or risks tend to surface first. That's why not only the companies building these models, but regulators such as financial authorities, are paying close attention.

One thing to keep in mind: this concept is relative. Today's frontier model can become ordinary within a few months. So "frontier" isn't the name of a specific product—think of it as a moving benchmark that always points to whatever is at the leading edge at a given moment.

In a letter to the G20, the Governor of the Bank of England wrote that "frontier AI models" are showing increasingly sophisticated autonomy, problem-solving ability, and even threat capability. One common misunderstanding here: "frontier AI model" isn't the name of a specific product from a specific company—it's a classification term for models that rank at the very top by performance.

Try asking a chatbot this to get a feel for the concept:

Explain which AI models are currently classified as frontier models, and what criteria are used to decide that.