OpenAI previews GPT-5.6 Sol, Terra, and Luna

OpenAI@OpenAIJun 26, 2026

Introducing a limited preview of GPT-5.6 Sol, our next generation frontier model, as well as GPT-5.6 Terra, a balanced model for efficient, everyday work, and GPT-5.6 Luna, a fast and affordable model for high-volume work. https://t.co/OoM83SyISN

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Launched Jun 26, 2026View post
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