OpenAI updates ChatGPT models and expands free access
OpenAI is updating ChatGPT’s paid and free tiers with revised GPT-5.6 models, new reasoning controls and broader access to text chats. OpenAI announces in an official blog post that Plus and Pro subscribers can now use an updated GPT-5.6 Sol model in ChatGPT, while free users will move to GPT-5.6 Luna as their default model. …