Design Arena adds GPT-6 Sol and Luna

Design Arena @DesignArenaOriginally posted 2026.09.23

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GPT-6 Sol & GPT-6 Luna by @OpenAI are now available on Design Arena! Built with the same advances behind GPT-6 Astra, Sol and Luna bring improved performance across professional work, factuality, coding, computer use, and alignment in faster, more affordable models. With improved caching and inference, both models are designed to make advanced AI more accessible for everyday tasks and applications at scale. Congrats to the @OpenAI team on the launch!

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