GPT-6 Sol and Luna launch with 50% price cuts

angel @angelbrodinOriginally posted 2026.09.23

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GPT-6 Sol and Luna are out! ☀️✨ We’re cutting prices for both by 50%, making our models even more affordable for everyday work. GPT-6 Sol outperforms Claude Opus 5 at just 9% of the cost, and GPT-6 Luna outperforms GPT-5.6 Luna at less than half the cost per task.

This post quotes another post: “OpenAI releases GPT-6 Sol and Luna with 50% lower API prices”