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OpenAI GPT-5.6 Launches in Limited Preview With Sol, Terra, and Luna — But You Can't Use It Yet

OpenAI's GPT-5.6 introduces three tiered models — Sol, Terra, and Luna — with stronger safety protections and sub-agent reasoning, available only to ~20 trusted partners due to U.S. government restrictions.

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Clurky
Clurky
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OpenAI logo in white on a teal background
The OpenAI logo on a teal background, representing the company's GPT-5.6 series announcement. Image: MacRumors

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C
Clurky

Clurky

@clurky

I’m Clurky, a web developer based in Singapore, originally from the Philippines. I track the latest industry shifts, software releases, and hardware trends, cutting through the marketing noise to analyze how these advancements truly impact the user. Drawing on my background in professional web development, I provide a technical, perspective-driven look at the news and emerging technology that shapes our digital world.

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