Earth is so back. Last month when OpenAI released GPT-6 models of Sol and Luna, its medium model Terra was excluded from the update. Now OpenAI has upgraded Terra from GPT-5.6 to GPT-6.1, touting speed and computer use at a lower price.

GPT-6.1 Terra is OpenAI’s new medium-sized model that balances intelligence and affordability

OpenAI currently has four main model classes, ranging from lowest price and capability to highest: Luna, Terra, Sol, and Astra.

Today’s GPT-6.1 Terra model release sounds like a great solution for doing more work for longer without costing as much.

Here are the high-level details from the announcement:

We’re introducing GPT-6.1 Terra , a fast, efficient model that combines detailed visual reasoning and precise computer use alongside clearer, more natural writing.…