GPT-6 Sol and Luna models released with lower pricing in Codex and ChatGPT Work

Two new models rolled out to Codex and ChatGPT Work at reduced token costs compared to GPT-5.6. GPT-6 Sol optimizes for complex coding and agentic workflows; GPT-6 Luna for high-volume focused tasks. Available to Plus, Pro, Business, Enterprise, Edu users, with Luna also accessible to Free and Go users in desktop app.