India, Aug. 13 -- OpenAI CEO Sam Altman on Wednesday unveiled a series of updates to ChatGPT, giving users more control over the company's latest GPT-5 model and expanding model options for paid subscribers.

In a post on X, Sam Altman said users can now choose between three response modes, "Auto", "Fast", and "Thinking", for GPT-5. While most users are expected to stick with the Auto mode, the additional settings aim to help those seeking faster replies or deeper, more detailed reasoning, he said.

For GPT-5 Thinking, the weekly rate limit has been set at 3,000 messages, after which users will have access to extra capacity via GPT-5 Thinking mini.

The model now supports a 196k-token context limit, enabling it to process much longer conv...