# OpenAI says GPT-6 Sol and Luna build on Astra’s alignment advances

OpenAI says both models show improvements over their GPT-5.6 counterparts.

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Source: OpenAI · Published 9/22/2026, 11:20:59

OpenAI says GPT-6 Sol and Luna build on Astra’s advances in alignment and show improvements over their GPT-5.6 counterparts.

Tags: OpenAI, GPT-6, Alignment, GPT-5.6

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