All notes
ProductJul 10, 2026·3 min read

Three New Powerhouses. One Clean List.

GPT-5.6 Sol, GPT-5.6 Terra, and GPT-5.6 Luna — three next-generation models from OpenAI, seamlessly integrated into our minimalist picker. No clutter, no noise.

We trimmed the model picker down to what matters: the names. No logos, no marketing blurbs under each one — just a clean list you can scan in a second. We brought in OpenAI's latest heavy hitters while quietly retiring the models that weren't pulling their weight.

How it works: on Sprout, Saturn runs on Auto, which intelligently picks the right model for each message so you never have to overthink it. On Pine, Oak, or Redwood, the full roster opens up, letting you dive into the new lineup and switch with a single tap.

GPT-5.6 Sol — built for lightning-fast execution, rapid analytics, and high-velocity brainstorming. It's pure speed.

GPT-5.6 Terra — your grounded foundation for deep reasoning, massive datasets, and complex system architecture.

GPT-5.6 Luna — tuned for a vivid design sense, nuanced creative writing, and a natural, intuitive tone.

Maximum power, better defaults, and the freedom to change your mind — that's the whole idea.

S
The Saturn team
Building software you can talk to

More from the Saturn