ChatGPT launches GPT-5 multimodal selection and model personalization updates

The GPT-5 Thinking mode message limit is 3,000 per week. GPT-5 Thinking mini is available for use after this limit is exceeded. The single context limit is 196,000 tokens. The 4o model is back online, and paid users can add more models through settings. 4.5 is only available to Pro users. Officials are developing a gentler personality for GPT-5 and plan to support user-defined model personalities.