OpenAI on Monday released GPT-6.1 Terra , a faster and cheaper AI model built for the routine computer work that fills most office days. It replaces GPT-5.6 Terra and sits in the middle of OpenAI’s range, below Sol and Astra but above Luna.

The main change is what OpenAI calls computer use. Terra can look at a screen, understand what it shows, and then act on it by clicking, typing, and moving between apps, much as a person would.

In practice, that means a company could hand it a stream of incoming invoices. Terra would read each one and type the details into the accounting software. OpenAI’s other examples include filling in forms, drafting proposals, reading technical drawings and editing videos.

Terra is also better at understanding images, OpenAI said. In one of its tests, the model turned architectural drawings into a 3D model.…