OpenAI Introduces GPT-6 in ChatGPT: Sol for Paid Users Today, Luna for Free and Go Users Tomorrow

OpenAI is making the GPT-6 model available globally in ChatGPT today for Plus, Pro, Business, and Enterprise subscribers, and will extend it to Free and Go users tomorrow. On paid tiers GPT-6 operates as Sol, while on Free and Go tiers it operates as GPT-6 Luna; the Work and Codex models remain unchanged to ensure stability for work and coding functions.