AI NewsOpenAI Launches GPT-6 Sol and GPT-6 Luna With Lower Prices, Improved Performance

OpenAI Launches GPT-6 Sol and GPT-6 Luna With Lower Prices, Improved Performance

10:36 PM IST · September 23, 2026

OpenAI has launched GPT-6 Sol and GPT-6 Luna, two new models that extend some of the capabilities of its GPT-6 Astra model to lower-cost tiers. The models are aimed at professional work, coding, computer use and other tasks that require sustained AI assistance. OpenAI has also cut their API prices by 50 percent compared with the promotional pricing of their GPT-5.6 predecessors. GPT-6 Sol and Luna are available across Work, Codex and the API, while Luna is also available to Free and Go users through the desktop app.