GPT-6 Sol and GPT-6 Luna: Features, Pricing and What’s New
OpenAI has expanded its GPT-6 family with two new models: GPT-6 Sol and GPT-6 Luna. The models were announced on September 22, 2026, following the earlier release of GPT-6 Astra. OpenAI describes Sol and Luna as models that bring capabilities developed for Astra into faster and more affordable options designed for everyday work and development
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