OpenAI has launched GPT-5.1, which brings with it a paradigm shift in the ChatGPT experience, as it comes with two all-new models and extensive customization options that give the user more ability to choose the robot's answer style to suit their needs.

Below, we'll outline the most important updates and new features in OpenAI's latest GPT-5.1 model.

What are the advantages of GPT-5.1?

After OpenAI introduced the GPT-5 model over the summer with the goal of simplifying the user experience by automatically selecting the best model according to the nature of the claim, many users felt they needed more space to control the experience. Therefore, the company has recently launched GPT-5.1 to restore this flexibility to users, while improving the robot's responsiveness and making it smarter and warmer.

The new version adds two main models to ChatGPT:

1- GPT-5.1 Instant

Model This model is the right choice for quick daily tasks, and it has received significant improvements, including:

a natural tone and warmer than previous models.

Higher ability to accurately understand instructions and execute them as requested.

Adaptive
thinking
: The model thinks before answering only complex questions, and quickly answers simple questions.

Significant improvements in performance on standardized tests, such as the AIME 2025 test to assess language models' abilities in math skills, and the Codeforces platform to assess models' programming abilities.