Improving GPT-5.6 Sol in ChatGPT and Expanding GPT-5.6 Luna Access
OpenAI has launched an updated version of its GPT-5.6 Sol model within ChatGPT to deliver higher accuracy and consistency for users. Alongside this performance refinement, OpenAI is expanding access to its GPT-5.6 Luna model, making it available to free-tier users for the first time. Free users can now engage in unlimited daily conversational interactions with the GPT-5.6 Luna model. These updates focus on improving conversational artificial intelligence quality while lowering the barriers to entry for advanced generative systems. (source: https://openai.com/index/improving-gpt-5-6-sol-in-chatgpt)